error

error.cs

var props1 = Actor.FromProducer(() => new DoNothingActor())
                .WithMailbox(() => new TestMailbox());
var localActor1 = Actor.SpawnNamed(props1, "local");
var props2 = Actor.FromProducer(() => new LocalActor(localActor1))
    .WithMailbox(() => new TestMailbox());
var watcher = Actor.SpawnNamed(props2, "watcher");

localActor1.Stop();



 public class LocalActor : IActor
    {
        private readonly PID _remoteActor;
        private bool _terminateReceived;

        public LocalActor(PID remoteActor)
        {
            _remoteActor = remoteActor;
        }

        public Task ReceiveAsync(IContext context)
        {
            switch (context.Message)
            {
                case Started msg:
                    context.Watch(_remoteActor);
                    break;
                case string msg when msg == "?":
                    context.Sender.Tell(_terminateReceived);
                    break;
                case Terminated msg:
                    _terminateReceived = true;
                    break;
            }
            return Actor.Done;
        }
    }