Object reference not set to an instance of an object.
Server Error in '/' Application.
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. NullReferenceException: Object reference not set to an instance of an object.
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.
[NullReferenceException: Object reference not set to an instance of an object.]
Discus2018. Controllers. WebController. OnActionExecuting(ActionExecutingContext filterContext) +54
System. Web. Mvc. Async. AsyncInvocationWithFilters. InvokeActionMethodFilterAsynchronouslyRecursive(Int32 filterIndex) +266
System. Web. Mvc. Async. c__DisplayClass33. b__31(AsyncCallback asyncCallback, Object asyncState) +99
System. Web. Mvc. Async. WrappedAsyncResultBase`1. Begin(AsyncCallback callback, Object state, Int32 timeout) +165
System. Web. Mvc. Async. AsyncControllerActionInvoker. BeginInvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters, AsyncCallback callback, Object state) +332
System. Web. Mvc. Async. c__DisplayClass21. b__19(AsyncCallback asyncCallback, Object asyncState) +1151
System. Web. Mvc. Async. WrappedAsyncResultBase`1. Begin(AsyncCallback callback, Object state, Int32 timeout) +166
System. Web. Mvc. Async. AsyncControllerActionInvoker. BeginInvokeAction(ControllerContext controllerContext, String actionName, AsyncCallback callback, Object state) +463
System. Web. Mvc. Controller. b__1c(AsyncCallback asyncCallback, Object asyncState, ExecuteCoreState innerState) +45
System. Web. Mvc. Async. WrappedAsyncVoid`1. CallBeginDelegate(AsyncCallback callback, Object callbackState) +73
System. Web. Mvc. Async. WrappedAsyncResultBase`1. Begin(AsyncCallback callback, Object state, Int32 timeout) +166
System. Web. Mvc. Controller. BeginExecuteCore(AsyncCallback callback, Object state) +906
System. Web. Mvc. Async. WrappedAsyncResultBase`1. Begin(AsyncCallback callback, Object state, Int32 timeout) +166
System. Web. Mvc. Controller. BeginExecute(RequestContext requestContext, AsyncCallback callback, Object state) +711
System. Web. Mvc. MvcHandler. b__4(AsyncCallback asyncCallback, Object asyncState, ProcessRequestState innerState) +96
System. Web. Mvc. Async. WrappedAsyncVoid`1. CallBeginDelegate(AsyncCallback callback, Object callbackState) +73
System. Web. Mvc. Async. WrappedAsyncResultBase`1. Begin(AsyncCallback callback, Object state, Int32 timeout) +166
System. Web. Mvc. MvcHandler. BeginProcessRequest(HttpContextBase httpContext, AsyncCallback callback, Object state) +522
System. Web. CallHandlerExecutionStep. System. Web. HttpApplication. IExecutionStep. Execute() +970
System. Web. HttpApplication. ExecuteStepImpl(IExecutionStep step) +75
System. Web. HttpApplication. ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +158
Version Information: Microsoft . NET Framework Version:4.0.30319; ASP. NET Version:4.8.4494.0
