Server Error in '/' Application.

Value cannot be null.
Parameter name: virtualPath

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: Value cannot be null.
Parameter name: virtualPath

Source Error:


Line 353:
Line 354:        Dim redirectPage As IHttpHandler
Line 355:        redirectPage = BuildManager.CreateInstanceFromVirtualPath(VirtualPath, GetType(Page))
Line 356:        Return redirectPage
Line 357:

Source File: C:\inetpub\wwwroot\LaboratorioSanMarco\App_Code\Start\RegisterRouteHandler.vb    Line: 355

Stack Trace:


[ArgumentNullException: Value cannot be null.
Parameter name: virtualPath]
   System.Web.VirtualPath.Create(String virtualPath, VirtualPathOptions options) +10046464
   System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(String virtualPath, Type requiredBaseType) +17
   RegisterRouteHandler.GetHttpHandler(RequestContext requestContext) in C:\inetpub\wwwroot\LaboratorioSanMarco\App_Code\Start\RegisterRouteHandler.vb:355
   System.Web.Routing.UrlRoutingModule.PostResolveRequestCache(HttpContextBase context) +9944313
   System.Web.Routing.UrlRoutingModule.OnApplicationPostResolveRequestCache(Object sender, EventArgs e) +85
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +144
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +50
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +73


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