[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