SpigotCore_Main/src/de/steamwar/comms/BungeeReceiver.java

@@ -51,6 +51,7 @@ public class BungeeReceiver implements PluginMessageListener {
             }
 
         });
+        registerHandler(PacketIdManager.BAUMEMBER_UPDATE, byteArrayDataInput -> BauweltMember.clear());
         registerHandler(PacketIdManager.INVENTORY_PACKET, new InventoryHandler());
         registerHandler(PacketIdManager.INVENTORY_CLOSE_PACKET, byteArrayDataInput -> {
             Player player = Bukkit.getPlayer(SteamwarUser.get(byteArrayDataInput.readInt()).getUUID());

SpigotCore_Main/src/de/steamwar/comms/PacketIdManager.java

@@ -25,6 +25,7 @@ public class PacketIdManager {
     public final static byte PING_PACKET = 0x01;
     public final static byte TABLIST_NAME = 0x02;
     public static final byte PREPARE_SCHEM = 0x03;
+    public final static byte BAUMEMBER_UPDATE = 0x04;
     //0x1(X) Bungee Inventory
     public final static byte INVENTORY_PACKET = 0x10;
     public final static byte INVENTORY_CALLBACK_PACKET = 0x11;

SpigotCore_Main/src/de/steamwar/sql/BauweltMember.java

@@ -34,6 +34,10 @@ public class BauweltMember{
 
     private static final List<BauweltMember> members = new ArrayList<>();
 
+    public static void clear() {
+        members.clear();
+    }
+
     private BauweltMember(int ownerID, int memberID, boolean worldEdit, boolean world, boolean updateDB){
         bauweltID = ownerID;
         this.memberID = memberID;