Server Error in '/' Application.

CurrentNavigator cannot be null value
Parameter name: navigator

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.ArgumentNullException: CurrentNavigator cannot be null value
Parameter name: navigator

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:


[ArgumentNullException: CurrentNavigator cannot be null value
Parameter name: navigator]
   Ideal.Wision.Core.WisionContext.SetCurrentNavigator(INavigator navigator) +167
   Ideal.Wision.Schema.Layout.LoadWintrols() +2626
   Ideal.Wision.Schema.Layout.Layout_Init(Object sender, EventArgs e) +73
   System.EventHandler.Invoke(Object sender, EventArgs e) +0
   System.Web.UI.Control.OnInit(EventArgs e) +108
   System.Web.UI.Page.OnInit(EventArgs e) +17
   System.Web.UI.Control.InitRecursive(Control namingContainer) +173
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +491


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0