UnhandledMessageForwarder crashes and restarted every time the app is starting #3267
Description
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[DEBUG][01/12/2018 07:45:23][Thread 0007][akka://host-states-system/user/app-restarter] Started (Akkling.Actors+FunActor`1[System.Object])
[ERROR][01/12/2018 07:45:23][Thread 0009][akka://host-states-system/system/UnhandledMessageForwarder] Object reference not set to an instance of an object.
Cause: System.NullReferenceException: Object reference not set to an instance of an object.
at Akka.Event.LoggingBus.UnhandledMessageForwarder.ToDebug(UnhandledMessage message)
at Akka.Event.LoggingBus.UnhandledMessageForwarder.Receive(Object message)
at Akka.Actor.ActorBase.AroundReceive(Receive receive, Object message)
at Akka.Actor.ActorCell.ReceiveMessage(Object message)
at Akka.Actor.ActorCell.Invoke(Envelope envelope)
[DEBUG][01/12/2018 07:45:23][Thread 0007][akka://host-states-system/system/UnhandledMessageForwarder] Restarting
[DEBUG][01/12/2018 07:45:23][Thread 0007][akka://host-states-system/system/UnhandledMessageForwarder] Restarted (Akka.Event.LoggingBus+UnhandledMessageForwarder)