fix: changelog display after connection lost

varo/src/main/java/de/cliffbreak/varo/listeners/PlayerJoinQuitListener.java

@@ -54,9 +54,15 @@ public class PlayerJoinQuitListener implements Listener {
 
             @Override
             public void run() {
-                e.getPlayer().sendMessage(changes.pop());
+                if (!e.getPlayer().isOnline()) {
-                if (changes.empty())
                     stopScheduler();
+                    return;
+                }
+                if (changes.empty()) {
+                    stopScheduler();
+                    return;
+                }
+                e.getPlayer().sendMessage(changes.pop());
             }
         }, 20, 20);
     }