Object reference not set to an instance of an object.
   at wwwLudoWebApplication.Control.removeFilter(Int32 id)
   at Vici.Mvc.ActionMethod.Invoke(Object target, Object[] parameters)
   at Vici.Mvc.ControllerClass.Run(Controller controller, String methodName, TemplateParserContext context)
   at Vici.Mvc.WebAppHelper.RunControllerAction(ControllerAction controllerAction)
   at Vici.Mvc.MvcPageHandler.ProcessRequest(HttpContextBase httpContext)