Server Error in '/' Application.

A route named 'fabirArticle' is already in the route collection. Route names must be unique.
Parameter name: name

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: A route named 'fabirArticle' is already in the route collection. Route names must be unique.
Parameter name: name

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: A route named 'fabirArticle' is already in the route collection. Route names must be unique. Parameter name: name] System.Web.Routing.RouteCollection.Add(String name, RouteBase item) +4254816 System.Web.Routing.RouteCollection.MapPageRoute(String routeName, String routeUrl, String physicalFile, Boolean checkPhysicalUrlAccess, RouteValueDictionary defaults, RouteValueDictionary constraints, RouteValueDictionary dataTokens) +212 ASP.global_asax.RegisterRoutes(RouteCollection routes) +97 System.Web.SessionState.SessionStateModule.CompleteAcquireState() +364 System.Web.SessionState.SessionStateModule.BeginAcquireState(Object source, EventArgs e, AsyncCallback cb, Object extraData) +1226 System.Web.AsyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +625 System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +128


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3930.0