NullReferenceException: Object reference not set to an instance of an object.
at Asparona.UI.Controllers.CourseController.<>c.b__10_0(IProductDetail s, CourseDetailsResultsViewModel d) in C:\BuildAgent\work\1fc4bebba1e6fa42\Asparona.UI\Controllers\CourseController.cs:line 138 at Solutionists.MP.Infrastructure.ValueInjector.ValueInjectorExtensions.MapItem[TS,T](TS source, Action`2 itemFunc, IValueInjection injection) in e:\Teamcity\BuildAgent\work\c5bd4e46da0deed3\Solutionists.MP.Infrastructure\ValueInjector\ValueInjectorExtensions.cs:line 37 at Asparona.UI.Controllers.CourseController.CourseDetails(CourseDetailsParameterViewModel requestViewModel) in C:\BuildAgent\work\1fc4bebba1e6fa42\Asparona.UI\Controllers\CourseController.cs:line 136 at lambda_method(Closure , ControllerBase , Object[] ) at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) at System.Web.Mvc.Async.AsyncControllerActionInvoker.b__39(IAsyncResult asyncResult, ActionInvocation innerInvokeState) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.b__3d() at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.b__3f() at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.<>c__DisplayClass2b.b__1c() at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.b__1e(IAsyncResult asyncResult)