{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#551) Người này hiện không có mặt.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"Error validating access token: The session has been invalidated because the user changed their password or Facebook has changed the session for security reasons.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken) in E:\\redsand\\inven-check\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 29\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in E:\\redsand\\inven-check\\Services\\Facebook\\FacebookApiService.cs:line 240\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in E:\\redsand\\inven-check\\Services\\Facebook\\FbSender.cs:line 296\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in E:\\redsand\\inven-check\\Services\\Facebook\\FbSender.cs:line 296\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in E:\\redsand\\inven-check\\Controllers\\BackgroundController.cs:line 778","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\ECRM-NOBI-R2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"Error validating access token: The session has been invalidated because the user changed their password or Facebook has changed the session for security reasons.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 35\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FbSender.cs:line 212\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FbSender.cs:line 307\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\ECRM-NOBI-R2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\ECRM-NOBI-R2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\ECRM-NOBI-R2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"ClassName":"System.NullReferenceException","Message":"Object reference not set to an instance of an object.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.FacebookApiService.GetFacebookAttachments(Int32 pageId, IEnumerable`1 attUrls, String pageAccessToken, Boolean reUsable, String pageUserId, MetaType type) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FacebookApiService.cs:line 1618\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\ECRM-NOBI-R2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\ECRM-NOBI-R2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2147467261,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"(#10) Không gửi được tin nhắn do một ứng dụng khác hiện đang kiểm soát thread này.","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken, Int32 retry) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 36\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 243\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in D:\\Nobi\\NobiV2\\Services\\Facebook\\FbSender.cs:line 309\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in D:\\Nobi\\NobiV2\\Controllers\\BackgroundController.cs:line 814","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"ClassName":"System.Exception","Message":"Invalid parameter","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"   at Redsand.Site.Services.Facebook.Sdk.PageClient.SendMessaging(Messaging messaging, String pageToken) in E:\\redsand\\inven-check\\Services\\Facebook\\FacebookSdk\\PageApiClient.cs:line 29\n   at Redsand.Site.Services.FacebookApiService.SendMessaging(Messaging messaging, String pageToken) in E:\\redsand\\inven-check\\Services\\Facebook\\FacebookApiService.cs:line 240\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in E:\\redsand\\inven-check\\Services\\Facebook\\FbSender.cs:line 296\n   at Redsand.Site.Services.FbSender.SendAsync(FbCampaign campaign, FbMessage facebook, Boolean resend, ApplicationDbContext _db) in E:\\redsand\\inven-check\\Services\\Facebook\\FbSender.cs:line 296\n   at Redsand.Site.Controllers.BackgroundController.SendFbCampaign(String camIds, Boolean debug) in E:\\redsand\\inven-check\\Controllers\\BackgroundController.cs:line 778","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}

{"Response":null,"Error":"Flurl.Http.FlurlHttpException: Call failed. Name or service not known: POST https://donhang.vnpost.vn/api/api/MobileAuthentication/GetAccessToken\n ---> System.Net.Http.HttpRequestException: Name or service not known\n ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   --- End of inner exception stack trace ---\n   at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)\n   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)\n   at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   --- End of inner exception stack trace ---\n   at Flurl.Http.FlurlRequest.HandleExceptionAsync(FlurlCall call, Exception ex, CancellationToken token)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Flurl.Http.FlurlRequest.SendAsync(HttpMethod verb, HttpContent content, CancellationToken cancellationToken, HttpCompletionOption completionOption)\n   at Redsand.ApiService.PostAsync[TResult](String path, Object json, Object param, CancellationToken cancellationToken) in /app/Lib/ApiService.cs:line 310","Status":0}