System.NullReferenceException

at Herens.Web.Client.Controllers.CategoryController.Details (System.String id) [0x00011] in <36abac7d41ec4eea882fcd17618ea2e3>:0 at (wrapper dynamic-method) System.Object.lambda_method(System.Runtime.CompilerServices.Closure,System.Web.Mvc.ControllerBase,object[]) at System.Web.Mvc.ActionMethodDispatcher.Execute (System.Web.Mvc.ControllerBase controller, System.Object[] parameters) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.ReflectedActionDescriptor.Execute (System.Web.Mvc.ControllerContext controllerContext, System.Collections.Generic.IDictionary`2[TKey,TValue] parameters) [0x0006a] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod (System.Web.Mvc.ControllerContext controllerContext, System.Web.Mvc.ActionDescriptor actionDescriptor, System.Collections.Generic.IDictionary`2[TKey,TValue] parameters) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncControllerActionInvoker+ActionInvocation.InvokeSynchronousActionMethod () [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncControllerActionInvoker+<>c.<BeginInvokeSynchronousActionMethod>b__9_0 (System.IAsyncResult asyncResult, System.Web.Mvc.Async.AsyncControllerActionInvoker+ActionInvocation innerInvokeState) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper+WrappedAsyncResult`2[TResult,TState].CallEndDelegate (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper+WrappedAsyncResultBase`1[TResult].End () [0x00029] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper.End[TResult] (System.IAsyncResult asyncResult, System.Object tag) [0x00007] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncControllerActionInvoker+AsyncInvocationWithFilters+<>c__DisplayClass11_0.<InvokeActionMethodFilterAsynchronouslyRecursive>b__0 () [0x0001d] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncControllerActionInvoker+AsyncInvocationWithFilters+<>c__DisplayClass11_2.<InvokeActionMethodFilterAsynchronouslyRecursive>b__2 () [0x00086] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncControllerActionInvoker+<>c__DisplayClass7_0.<BeginInvokeActionMethodWithFilters>b__1 (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper+WrappedAsyncResult`1[TResult].CallEndDelegate (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper+WrappedAsyncResultBase`1[TResult].End () [0x00029] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper.End[TResult] (System.IAsyncResult asyncResult, System.Object tag) [0x00007] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncControllerActionInvoker+<>c__DisplayClass3_6.<BeginInvokeAction>b__4 () [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncControllerActionInvoker+<>c__DisplayClass3_1.<BeginInvokeAction>b__1 (System.IAsyncResult asyncResult) [0x00041] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper+WrappedAsyncResult`1[TResult].CallEndDelegate (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper+WrappedAsyncResultBase`1[TResult].End () [0x00029] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper.End[TResult] (System.IAsyncResult asyncResult, System.Object tag) [0x00007] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Controller+<>c.<BeginExecuteCore>b__152_1 (System.IAsyncResult asyncResult, System.Web.Mvc.Controller+ExecuteCoreState innerState) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper+WrappedAsyncVoid`1[TState].CallEndDelegate (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper+WrappedAsyncResultBase`1[TResult].End () [0x00029] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper.End[TResult] (System.IAsyncResult asyncResult, System.Object tag) [0x00007] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper.End (System.IAsyncResult asyncResult, System.Object tag) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Controller.EndExecuteCore (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Controller+<>c.<BeginExecute>b__151_2 (System.IAsyncResult asyncResult, System.Web.Mvc.Controller controller) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper+WrappedAsyncVoid`1[TState].CallEndDelegate (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper+WrappedAsyncResultBase`1[TResult].End () [0x00029] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper.End[TResult] (System.IAsyncResult asyncResult, System.Object tag) [0x00007] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper.End (System.IAsyncResult asyncResult, System.Object tag) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Controller.EndExecute (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.MvcHandler+<>c.<BeginProcessRequest>b__20_1 (System.IAsyncResult asyncResult, System.Web.Mvc.MvcHandler+ProcessRequestState innerState) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper+WrappedAsyncVoid`1[TState].CallEndDelegate (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper+WrappedAsyncResultBase`1[TResult].End () [0x00029] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper.End[TResult] (System.IAsyncResult asyncResult, System.Object tag) [0x00007] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.Async.AsyncResultWrapper.End (System.IAsyncResult asyncResult, System.Object tag) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.MvcHandler.EndProcessRequest (System.IAsyncResult asyncResult) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest (System.IAsyncResult result) [0x00000] in <c11f3b1e27ba4255a48f3fa4d01496ab>:0 at System.Web.HttpApplication.async_handler_complete_cb (System.IAsyncResult ar) [0x00015] in <6be42e17951b438eaaf58a9aa197fc37>:0