{
 "Message":"An error has occurred.",
 "ExceptionMessage":
 "An error occurred when trying to create a controller of type 'ApiController'. Make sure that the controller has a parameterless public constructor.",

 "ExceptionType":"System.InvalidOperationException",
 "StackTrace":
 "at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)rn   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)rn   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()",
 "InnerException":{"Message":"An error has occurred.",

 "ExceptionMessage":
 "Type 'NameSpace.ApiController' does not have a default constructor",
 "ExceptionType":"System.ArgumentException","StackTrace":
 "   at System.Linq.Expressions.Expression.New(Type type)rn   at System.Web.Http.Internal.TypeActivator.Create[TBase](Type instanceType)rn   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.GetInstanceOrActivator(HttpRequestMessage request, Type controllerType, Func`1& activator)rn   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)"}
}