Fix freeze order.

BauSystem_Main/src/de/steamwar/bausystem/features/world/AFKStopperListener.java

@@ -26,6 +26,7 @@ import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerMoveEvent;
@@ -67,7 +68,7 @@ public class AFKStopperListener implements Listener {
         event.getPlayer().setOp(true);
     }
 
-    @EventHandler
+    @EventHandler(priority = EventPriority.MONITOR)
     public void onPlayerQuit(PlayerQuitEvent event) {
         if(Bukkit.getOnlinePlayers().isEmpty() || (Bukkit.getOnlinePlayers().size() == 1 && Bukkit.getOnlinePlayers().contains(event.getPlayer())))
             CheckpointUtils.freeze();