help with java

[jobika 0]

Bad RequestBypassToServer:

java.lang.NullPointerException

        at net.sf.l2j.gameserver.model.actor.instance.L2PcInstance.addSubClass(L

2PcInstance.java:8554)

        at net.sf.l2j.gameserver.model.actor.instance.L2VillageMasterInstance.on

BypassFeedback(L2VillageMasterInstance.java:346)

        at net.sf.l2j.gameserver.clientpackets.RequestBypassToServer.runImpl(Req

uestBypassToServer.java:320)

        at net.sf.l2j.gameserver.clientpackets.L2GameClientPacket.run(L2GameClie

ntPacket.java:76)

        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

        at java.lang.Thread.run(Unknown Source)

 

 

What is this problem? 

[EliteX 157]

Написано же Bad RequestBypassToServer:

[jobika 0]

как делать фих?