Conversion from 9 to 10

1st App converting to 10 and can't get pass this ... any ideas?

Server Error in '/' Application.

Value cannot be null.
Parameter name: key
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: key

Source Error:


Line 1100: public bool KeyExists(XVar key)
Line 1101: {
Line 1102: InitDictionary();
Line 1103: return InternalDictionary.ContainsKey(key);
Line 1104: }

Source File: c:\Users\jankvand\Documents\ASPRunnerNETProjects\Calls\output\Classes\XVar.cs Line: 1102

Stack Trace:

[ArgumentNullException: Value cannot be null.
Parameter name: key]
System.Collections.Generic.Dictionary`2.FindEntry(TKey key) +13005737
System.Collections.Generic.Dictionary`2.ContainsKey(TKey key) +9
runnerDotNet.XVar.KeyExists(XVar key) in c:\Users\jankvand\Documents\ASPRunnerNETProjects\Calls\output\Classes\XVar.cs:1102
CallSite.Target(Closure , CallSite , Object , Object ) +112
System.Dynamic.UpdateDelegates.UpdateAndExecute2(CallSite site, T0 arg0, T1 arg1) +450
runnerDotNet.CommonFunctions.GetTableURL(Object _param_table) in c:\Users\jankvand\Documents\ASPRunnerNETProjects\Calls\output\Classes\projectsettings.cs:3317
runnerDotNet.RunnerPage..ctor(Object var_params) in c:\Users\jankvand\Documents\ASPRunnerNETProjects\Calls\output\Classes\runnerpage.cs:228
runnerDotNet.LoginPage..ctor(Object var_params) in c:\Users\jankvand\Documents\ASPRunnerNETProjects\Calls\output\Classes\loginpage.cs:33
runnerDotNet.LoginPage_AD..ctor(Object var_params) in c:\Users\jankvand\Documents\ASPRunnerNETProjects\Calls\output\Classes\loginpage_ad.cs:21
runnerDotNet.GlobalController.login() in c:\Users\jankvand\Documents\ASPRunnerNETProjects\Calls\output\login.cs:113
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.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +27
System.Web.Mvc.<>c__DisplayClass15.<InvokeActionMethodWithFilters>b__12() +56
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) +256
System.Web.Mvc.<>c__DisplayClass17.<InvokeActionMethodWithFilters>b__14() +22
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +190
System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +311
System.Web.Mvc.Controller.ExecuteCore() +105
runnerDotNet.BaseController.ExecuteThread(Object arg) in c:\Users\jankvand\Documents\ASPRunnerNETProjects\Calls\output\Controllers\BaseController.cs:45

[AggregateException: One or more errors occurred.]
runnerDotNet.BaseController.ExecuteCore() in c:\Users\jankvand\Documents\ASPRunnerNETProjects\Calls\output\Controllers\BaseController.cs:32
System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +88
System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext) +10
System.Web.Mvc.<>c__DisplayClassb.<BeginProcessRequest>b__5() +34
System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +16
System.Web.Mvc.Async.<>c__DisplayClass8`1.<BeginSynchronous>b__7(IAsyncResult _) +10
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() +576
System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +132
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +163


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3160.0