Unhandled Exception in Web API

System.OperationCanceledException: The operation was canceled.
   at System.Threading.CancellationToken.ThrowOperationCanceledException()
   at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Http.Filters.ActionFilterAttribute.<ExecuteActionFilterAsyncCore>d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Web.Http.Filters.ActionFilterAttribute.<CallOnActionExecutedAsync>d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Http.Filters.ActionFilterAttribute.<ExecuteActionFilterAsyncCore>d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Http.Controllers.ActionFilterResult.<ExecuteAsync>d__2.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Http.Controllers.ExceptionFilterResult.<ExecuteAsync>d__0.MoveNext()


Unhandled Exception in Web API


System.NullReferenceException: Object reference not set to an instance of an object.
   at IncidentReporter.API.Helpers.ExportPtwPDFHelper.FormatSectionContent(PermitToWorkSection section, String mediaServerUrl) in C:\GitLab-Runner\builds\27n6lYj0J\0\incident-reporter\incident-reporter-api\IncidentReporter\IncidentReporter.API\Helpers\ExportPtwPDFHelper.cs:line 335
   at IncidentReporter.API.Helpers.ExportPtwPDFHelper.ExportPtwPDF(PermitToWorkExportDBO ptw, String organisationBannerRelativePath, String organisationName, String outputAbsoluteFilePath, String templateFile, String timeZone, UserExistsInSiteAndCompanyDBO userExistsData, List`1 sectionsGroupedByJobType, PtwPreferences ptwOrgPreference) in C:\GitLab-Runner\builds\27n6lYj0J\0\incident-reporter\incident-reporter-api\IncidentReporter\IncidentReporter.API\Helpers\ExportPtwPDFHelper.cs:line 89
   at IncidentReporter.API.BLL.PtwBLL.<ExportPtwPDF>d__76.MoveNext() in C:\GitLab-Runner\builds\27n6lYj0J\0\incident-reporter\incident-reporter-api\IncidentReporter\IncidentReporter.API\BLL\PtwBLL.cs:line 6173

Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

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Question: ?Export=true

Question: ?Export=true


System.Net.Http.HttpRequestException: Response status code does not indicate success: 400 (BAD REQUEST).
   at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode()
   at IncidentReporter.API.Helpers.SupersetClient.<PostGuestTokenAsync>d__15.MoveNext() in C:\GitLab-Runner\builds\27n6lYj0J\0\incident-reporter\incident-reporter-api\IncidentReporter\IncidentReporter.API\Helpers\SupersetClient.cs:line 95
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at IncidentReporter.API.Helpers.SupersetClient.<MintGuestTokenAsync>d__14.MoveNext() in C:\GitLab-Runner\builds\27n6lYj0J\0\incident-reporter\incident-reporter-api\IncidentReporter\IncidentReporter.API\Helpers\SupersetClient.cs:line 71
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at IncidentReporter.API.BLL.EmbedBll.<GetGuestTokenAsync>d__5.MoveNext() in C:\GitLab-Runner\builds\27n6lYj0J\0\incident-reporter\incident-reporter-api\IncidentReporter\IncidentReporter.API\BLL\EmbedBll.cs:line 120


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


Question: ?Export=true

Question: ?Export=true


MySql.Data.MySqlClient.MySqlException (0x80004005): Cannot add or update a child row: a foreign key constraint fails (`qa_stg_oqsha`.`user_history`, CONSTRAINT `user_history_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE)
   at MySql.Data.MySqlClient.MySqlStream.ReadPacket()
   at MySql.Data.MySqlClient.NativeDriver.GetResult(Int32& affectedRow, Int64& insertedId)
   at MySql.Data.MySqlClient.Driver.NextResult(Int32 statementId, Boolean force)
   at MySql.Data.MySqlClient.MySqlDataReader.NextResult()
   at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader(CommandBehavior behavior)
   at MySql.Data.MySqlClient.MySqlCommand.ExecuteNonQuery()
   at System.Data.Common.DbCommand.ExecuteNonQueryAsync(CancellationToken cancellationToken)
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Dapper.SqlMapper.<ExecuteImplAsync>d__39.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at IncidentReporter.DAL.Repositories.VersionsRepo.<InsertUserHistoryAsync>d__9.MoveNext() in C:\GitLab-Runner\builds\27n6lYj0J\0\incident-reporter\incident-reporter-api\IncidentReporter\IncidentReporter.DAL\Repositories\VersionsRepo.cs:line 201
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at IncidentReporter.API.BLL.VersionsBLL.<GetAllModuleVersions>d__6.MoveNext() in C:\GitLab-Runner\builds\27n6lYj0J\0\incident-reporter\incident-reporter-api\IncidentReporter\IncidentReporter.API\BLL\VersionsBLL.cs:line 69