Server Error in '/' Application.

Length cannot be less than zero.
Parameter name: length

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.ArgumentOutOfRangeException: Length cannot be less than zero.
Parameter name: length

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:


[ArgumentOutOfRangeException: Length cannot be less than zero.
Parameter name: length]
   System.String.Substring(Int32 startIndex, Int32 length) +12518387
   AgentSystemMvc.Controllers.WrapperController.SplitOutput(String html, WrapperHttpFilterType type) +63
   AgentSystemMvc.Controllers.WrapperController.Top() +55
   lambda_method(Closure , ControllerBase , Object[] ) +62
   System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) +14
   System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +182
   System.Web.Mvc.Async.<>c__DisplayClass44.<BeginInvokeSynchronousActionMethod>b__43() +30
   System.Web.Mvc.Async.<>c__DisplayClass8`1.<BeginSynchronous>b__7(IAsyncResult _) +10
   System.Web.Mvc.Async.WrappedAsyncResult`1.End() +50
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) +34
   System.Web.Mvc.Async.<>c__DisplayClass3b.<BeginInvokeActionMethodWithFilters>b__35() +58
   System.Web.Mvc.Async.<>c__DisplayClass51.<InvokeActionMethodFilterAsynchronously>b__4b() +225
   System.Web.Mvc.Async.<>c__DisplayClass51.<InvokeActionMethodFilterAsynchronously>b__4b() +225
   System.Web.Mvc.Async.<>c__DisplayClass51.<InvokeActionMethodFilterAsynchronously>b__4b() +225
   System.Web.Mvc.Async.<>c__DisplayClass39.<BeginInvokeActionMethodWithFilters>b__38(IAsyncResult asyncResult) +10
   System.Web.Mvc.Async.WrappedAsyncResult`1.End() +50
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) +34
   System.Web.Mvc.Async.<>c__DisplayClass2c.<BeginInvokeAction>b__22() +24
   System.Web.Mvc.Async.<>c__DisplayClass27.<BeginInvokeAction>b__24(IAsyncResult asyncResult) +99
   System.Web.Mvc.Async.WrappedAsyncResult`1.End() +50
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +27
   System.Web.Mvc.<>c__DisplayClass19.<BeginExecuteCore>b__14(IAsyncResult asyncResult) +14
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +16
   System.Web.Mvc.Async.WrappedAsyncResult`1.End() +50
   System.Web.Mvc.AsyncController.EndExecuteCore(IAsyncResult asyncResult) +38
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +16
   System.Web.Mvc.Async.WrappedAsyncResult`1.End() +50
   System.Web.Mvc.AsyncController.EndExecute(IAsyncResult asyncResult) +28
   System.Web.Mvc.AsyncController.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +10
   System.Web.Mvc.<>c__DisplayClassb.<BeginProcessRequest>b__4(IAsyncResult asyncResult) +25
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +16
   System.Web.Mvc.Async.WrappedAsyncResult`1.End() +50
   System.Web.Mvc.<>c__DisplayClasse.<EndProcessRequest>b__d() +28
   System.Web.Mvc.SecurityUtil.<GetCallInAppTrustThunk>b__0(Action f) +7
   System.Web.Mvc.SecurityUtil.ProcessInApplicationTrust(Action action) +23
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +59
   System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +577
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +157


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.6.1590.0
SYSTEM ERROR (IDX) Unable to gather client list filters.