Server Error in '/' Application.

A route named 'www.sizilienferien.chstyles' 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 'www.sizilienferien.chstyles' 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 'www.sizilienferien.chstyles' is already in the route collection. Route names must be unique.
Parameter name: name]
   System.Web.Routing.RouteCollection.Add(String name, RouteBase item) +4254816
   application_webs.module_routing.CreateRoutes(website ArgHostParams) in D:\Proyectos\webs_clientes_2019\webs_clientes_2019\modules\module_routing.vb:3016
   application_webs.Global_asax.Application_BeginRequest(Object sender, EventArgs e) in D:\Proyectos\webs_clientes_2019\webs_clientes_2019\Global.asax.vb:86
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +139
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +88


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