The current SynchronizationContext may not be used as a TaskScheduler.
Cause: System.InvalidOperationException: The current SynchronizationContext may not be used as a TaskScheduler.
   at System.Threading.Tasks.SynchronizationContextTaskScheduler..ctor()
   at Akka.Dispatch.CurrentSynchronizationContextExecutorServiceFactory.Produce(String id)
   at Akka.Dispatch.Dispatcher.LazyExecutorServiceDelegate.<>c__DisplayClass3_0.<.ctor>b__0()
   at Akka.Util.FastLazy`1.get_Value()
   at Akka.Dispatch.Dispatcher.ExecuteTask(IRunnable run)
   at Akka.Dispatch.MessageDispatcher.Attach(ActorCell cell)
   at Akka.Actor.ActorCell.Start()
   at Akka.Actor.RepointableActorRef.Point()
   at Akka.Actor.ActorCell.HandleSupervise(IActorRef child, Boolean async)
   at Akka.Actor.ActorCell.Supervise(IActorRef child, Boolean async)
   at Akka.Actor.ActorCell.SysMsgInvokeAll(EarliestFirstSystemMessageList messages, Int32 currentState)