Maybe now?

src/de/steamwar/bungeecore/commands/TutorialCommand.java

@@ -53,7 +53,7 @@ public class TutorialCommand extends BasicCommand {
             switch(args[0].toLowerCase()) {
                 case "rate":
                     if(args.length < 2) {
-                        BungeeCord.getInstance().getPluginManager().dispatchCommand(sender, "tutorial rate");
+                        player.chat("/tutorial rate");
                         return;
                     }