Hotfix BungeeCore

src/de/steamwar/bungeecore/BungeeCore.java

@@ -157,6 +157,7 @@ public class BungeeCore extends Plugin {
     public void onDisable(){
         ErrorLogger.stop();
         SQL.close();
+        SteamwarDiscordBot.instance().getJda().shutdownNow();
     }
 
     public static BungeeCore get() {