Exception
System.Data.SqlClient.SqlException (0x80131904): Cannot insert the value NULL into column 'UserName', table 'MainDB_DB.dbo.yaf_EventLog'; column does not allow nulls. INSERT fails.
The statement has been terminated.
at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean asyncWrite)
at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(TaskCompletionSource`1 completion, String methodName, Boolean sendToPipe, Int32 timeout, Boolean asyncWrite)
at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
at YAF.Types.Interfaces.Data.IDbAccessV2Extensions.<ExecuteNonQuery>b__0(IDbCommand c) in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Types\Interfaces\Data\IDbAccessV2Extensions.cs:line 119
at YAF.Core.Data.DbAccessBase.Execute[T](Func`2 execFunc, IDbCommand cmd, IDbTransaction dbTransaction) in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Core\Data\DbAccessBase.cs:line 145
at YAF.Types.Interfaces.Data.IDbAccessV2Extensions.ExecuteNonQuery(IDbAccessV2 dbAccess, IDbCommand cmd, IDbTransaction dbTransaction) in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Types\Interfaces\Data\IDbAccessV2Extensions.cs:line 119
at YAF.Types.Interfaces.Data.IDbAccessV2Extensions.Insert[T](IDbAccessV2 dbAccess, T insert, IDbTransaction transaction) in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Types\Interfaces\Data\IDbAccessV2Extensions.cs:line 283
at YAF.Core.Extensions.IRepositoryExtensions.Insert[T](IRepository`1 repository, T entity, IDbTransaction transaction) in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Core\Extensions\IRepositoryExtensions.cs:line 177
at YAF.Core.YafDbLogger.Log(String message, EventLogTypes eventType, String username, String source, Exception exception) in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Core\Logger\YafDbLogger.cs:line 183
at YAF.Types.Interfaces.LoggerExtensions.Fatal(ILogger logger, Exception ex, String format, Object[] args) in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Types\Interfaces\LoggerExtensions.cs:line 121
at YAF.Core.LoadPageFromDatabase.Handle(InitPageLoadEvent event) in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Core\Context\LoadPageFromDatabase.cs:line 195
at YAF.Core.ServiceLocatorEventRaiser.Raise[T](T eventObject) in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Core\Events\ServiceLocatorEventRaiser.cs:line 88
at YAF.Core.YafContext.InitUserAndPage() in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Core\Context\YafContext.cs:line 437
at YAF.Core.UserPageBase.get_Page() in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Core\Context\UserPageBase.cs:line 410
at YAF.Core.YafLocalization.LoadTranslation() in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Core\Localization\YafLocalization.cs:line 572
at YAF.Core.YafLocalization.GetLocalizedTextInternal(String page, String tag) in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Core\Localization\YafLocalization.cs:line 612
at YAF.Core.YafLocalization.GetText(String page, String tag) in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Core\Localization\YafLocalization.cs:line 302
at YAF.Types.Interfaces.IHaveLocalizationExtensions.GetText(IHaveLocalization haveLocalization, String page, String tag) in d:\Website\yafnet_b2018edf174c\yafsrc\YAF.Types\Interfaces\IHaveLocalizationExtensions.cs:line 50
at YAF.Modules.PagePopupForumModule.AddErrorPopup()
at YAF.Modules.PagePopupForumModule.ForumControl_Init(Object sender, EventArgs e)
at System.Web.UI.Control.OnInit(EventArgs e)
at System.Web.UI.UserControl.OnInit(EventArgs e)
at YAF.Forum.OnInit(EventArgs e)
at System.Web.UI.Control.InitRecursive(Control namingContainer)
at System.Web.UI.Control.InitRecursive(Control namingContainer)
at System.Web.UI.Control.InitRecursive(Control namingContainer)
at System.Web.UI.Control.InitRecursive(Control namingContainer)
at System.Web.UI.Control.InitRecursive(Control namingContainer)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
ClientConnectionId:42fd0ebc-dc7b-4aa5-a93a-2bb3e80cb5cd