{"ClassName":"System.Exception","Message":"(#10) Tin nhắn này được gửi ngoài khoảng thời gian cho phép. Tìm hiểu thêm về chính sách mới tại đây: https://developers.facebook.com/docs/messenger-platform/policy-overview","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":"(#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":"(#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":"(#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":"(#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":"(#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.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:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 1618\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":-2147467261,"Source":"Redsand.Site","WatsonBuckets":null}

{}

{"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:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 1618\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":-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":"(#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":"(#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":"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:\\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.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:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 1618\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":-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":"(#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":"(#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.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:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 1618\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":-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":"(#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":"(#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":"(#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":"(#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.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:\\Nobi\\NobiV2\\Services\\Facebook\\FacebookApiService.cs:line 1618\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":-2147467261,"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}

{}