Some adjusts

lib/src/stateful_named_actor_handler.dart

@@ -46,6 +46,17 @@ class StatefulNamedActorHandler implements ActorHandler {
     }
   }
 
+  @override
+  String getRegisteredName() {
+    String? name = _statefulNamedActorAnnotationInstance?.name;
+
+    if (name == null || name.isEmpty) {
+      return MirrorSystem.getName(_mirror!.simpleName);
+    }
+
+    return name;
+  }
+
   @override
   spawn_protocol.ActorInvocationResponse handleInvoke(
       spawn_protocol.ActorInvocation invocation) {
@@ -54,25 +65,18 @@ class StatefulNamedActorHandler implements ActorHandler {
         Optional.of(ReflectHelper.createInstance(actorEntityType!));
 
     if (actorInstance.isEmpty) {
-      throw StateError("Actor not found Or error during instance creation");
+      throw StateError(
+          "Actor ${invocation.actor.name} not found or error during instance creation");
     }
 
-    spawn_protocol.ActorInvocationResponse response =
-        spawn_protocol.ActorInvocationResponse.create()
-          ..actorName = invocation.actor.name
-          ..actorSystem = invocation.actor.system
-          ..updatedContext = spawn_protocol.Context.create();
-    return response;
-  }
-
-  @override
-  String getRegisteredName() {
-    String? name = _statefulNamedActorAnnotationInstance?.name;
-
-    if (name == null || name.isEmpty) {
-      return MirrorSystem.getName(_mirror!.simpleName);
+    if (actions.containsKey(invocation.actionName)) {
+      return spawn_protocol.ActorInvocationResponse.create()
+        ..actorName = invocation.actor.name
+        ..actorSystem = invocation.actor.system
+        ..updatedContext = spawn_protocol.Context.create();
     }
 
-    return name;
+    throw ArgumentError(
+        "Action ${invocation.actionName} not found for Actor ${invocation.actor.name}.");
   }
 }