Server Error in '/' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   DotNetNuke.Entities.Portals.PortalSettings..ctor(Int32 tabId, PortalAliasInfo portalAliasInfo) in D:\a\1\s\DNN Platform\Library\Entities\Portals\PortalSettings.cs:106
   DotNetNuke.Entities.Urls.AdvancedUrlRewriter.Handle404OrException(FriendlyUrlSettings settings, HttpContext context, Exception ex, UrlAction result, Boolean transfer, Boolean showDebug) in D:\a\1\s\DNN Platform\Library\Entities\Urls\AdvancedUrlRewriter.cs:1051
   DotNetNuke.Entities.Urls.AdvancedUrlRewriter.ProcessRequest(HttpContext context, Uri requestUri, Boolean useFriendlyUrls, UrlAction result, FriendlyUrlSettings settings, Boolean allowSettingsChange, Guid parentTraceId) in D:\a\1\s\DNN Platform\Library\Entities\Urls\AdvancedUrlRewriter.cs:748
   DotNetNuke.Entities.Urls.AdvancedUrlRewriter.RewriteUrl(Object sender, EventArgs e) in D:\a\1\s\DNN Platform\Library\Entities\Urls\AdvancedUrlRewriter.cs:54
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +138
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +194
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +87


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4087.0