Server Error in '/' Application.

Value cannot be null or empty.
Parameter name: controllerName

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.ArgumentException: Value cannot be null or empty.
Parameter name: controllerName

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:


[ArgumentException: Value cannot be null or empty.
Parameter name: controllerName]
   System.Web.Mvc.DefaultControllerFactory.System.Web.Mvc.IControllerFactory.GetControllerSessionBehavior(RequestContext requestContext, String controllerName) +450818
   System.Web.Mvc.MvcRouteHandler.GetSessionStateBehavior(RequestContext requestContext) +199
   System.Web.Mvc.MvcRouteHandler.GetHttpHandler(RequestContext requestContext) +45
   Portal.WebUI.BaseClass.FriendlyUrlRouteHandler.GetHttpHandler(RequestContext requestContext) +3999
   System.Web.Routing.UrlRoutingModule.PostResolveRequestCache(HttpContextBase context) +11833154
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +142
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +75
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +93


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0