Improved invalid-state log message

Author: dbeuchler

src/Moryx/StateMachines/StateBase.cs

@@ -68,7 +68,8 @@ protected Task<T> InvalidStateAsync<T>([CallerMemberName] string methodName = ""
     /// </summary>
     private Exception CreateAndLogInvalidStateException(string methodName)
     {
-        var error = $"The state with the name '{GetType().Name}' cannot handle the method '{methodName}'.";
+        var error = $"The state with the name '{GetType().Name}' cannot handle the method '{methodName}'. " +
+                    $"Responsible context: '{Context.GetType().Name}'.";
 
         // ReSharper disable once SuspiciousTypeConversion.Global
         (Context as ILoggingComponent)?.Logger.Log(LogLevel.Error, error);
@@ -173,4 +174,4 @@ public override string ToString()
     /// Shortcut class for the stateMap dictionary
     /// </summary>
     public sealed class StateMap : Dictionary<int, StateBase>;
-}
+}