Server Error in '/' Application.

Collection was modified; enumeration operation may not execute.

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.InvalidOperationException: Collection was modified; enumeration operation may not execute.

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:


[InvalidOperationException: Collection was modified; enumeration operation may not execute.]
   System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource) +56
   System.Collections.Generic.Enumerator.MoveNextRare() +14657978
   System.Linq.WhereListIterator`1.MoveNext() +156
   System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) +436
   System.Linq.Enumerable.ToList(IEnumerable`1 source) +70
   Microsoft.Practices.Unity.NamedTypesRegistry.RemoveMatchingKeys(Type t, String name) +153
   Microsoft.Practices.Unity.NamedTypesRegistry.RegisterType(Type t, String name) +115
   Microsoft.Practices.Unity.UnityDefaultBehaviorExtension.OnRegisterInstance(Object sender, RegisterInstanceEventArgs e) +56
   System.EventHandler`1.Invoke(Object sender, TEventArgs e) +0
   Microsoft.Practices.Unity.UnityContainer.RegisterInstance(Type t, String name, Object instance, LifetimeManager lifetime) +165
   Microsoft.Practices.Unity.UnityContainerExtensions.RegisterInstance(IUnityContainer container, TInterface instance, LifetimeManager lifetimeManager) +79
   App.Core.IoC.Unity.<>c__DisplayClass1.<.ctor>b__0() in c:\Users\FRN\Documents\Visual Studio 2013\Projects\Chil SSL\App.Core\IoC\Unity\UnityBootstrapper.cs:17
   App.Core.UserContext.get_Current() in c:\Users\FRN\Documents\Visual Studio 2013\Projects\Chil SSL\App.Core\IUserContext.cs:33
   App.Services.Actors.CurrentUser.Identity(IEnumerable`1 fields) in c:\Users\FRN\Documents\Visual Studio 2013\Projects\Chil SSL\App.Services\Actors\CurrentUser.cs:40
   App.Services.Cms.Pages.CurrentUserPageHashAugmenter.Augment(Page page, Hash hash) in c:\Users\FRN\Documents\Visual Studio 2013\Projects\Chil SSL\App.Services\Cms\Pages\CurrentUserPageHashAugmenter.cs:12
   App.Core.Domain.Cms.Pages.PageHashAugmenterFactory.Augment(Page page, Hash hash) in c:\Users\FRN\Documents\Visual Studio 2013\Projects\Chil SSL\App.Core\Domain\Cms\Pages\PageHashAugmenterFactory.cs:23
   App.Core.Domain.Cms.Pages.Page.RenderPageType(String pageType, Object data, IDictionary`2 aditionalInfo) in c:\Users\FRN\Documents\Visual Studio 2013\Projects\Chil SSL\App.Core\Domain\Cms\Pages\Page.cs:679
   App.Core.Domain.Cms.Pages.Page.Render(Object data, IDictionary`2 aditionalInfo) in c:\Users\FRN\Documents\Visual Studio 2013\Projects\Chil SSL\App.Core\Domain\Cms\Pages\Page.cs:716
   App.Web.Mvc.Controllers.Posts.SitePostsController.RenderPost(PostDto post, ActorDto site, ZoneDto zone) in c:\Users\FRN\Documents\Visual Studio 2013\Projects\Chil SSL\App.Web.Mvc\Controllers\Posts\SitePostsController.cs:259
   App.Web.Mvc.Controllers.Posts.SitePostsController.Post(String actorIdentifier, Int64 id, String slug) in c:\Users\FRN\Documents\Visual Studio 2013\Projects\Chil SSL\App.Web.Mvc\Controllers\Posts\SitePostsController.cs:141
   lambda_method(Closure , ControllerBase , Object[] ) +248
   System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +229
   System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +35
   System.Web.Mvc.Async.AsyncControllerActionInvoker.<BeginInvokeSynchronousActionMethod>b__39(IAsyncResult asyncResult, ActionInvocation innerInvokeState) +39
   System.Web.Mvc.Async.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult) +77
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) +42
   System.Web.Mvc.Async.AsyncInvocationWithFilters.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3d() +72
   System.Web.Mvc.Async.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f() +387
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) +42
   System.Web.Mvc.Async.<>c__DisplayClass2b.<BeginInvokeAction>b__1c() +38
   System.Web.Mvc.Async.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult) +188
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +38
   System.Web.Mvc.Controller.<BeginExecuteCore>b__1d(IAsyncResult asyncResult, ExecuteCoreState innerState) +29
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +73
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +52
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +39
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +38
   System.Web.Mvc.MvcHandler.<BeginProcessRequest>b__5(IAsyncResult asyncResult, ProcessRequestState innerState) +43
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +73
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +38
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +602
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +128


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3770.0