15.11.18 08:05:11 ERROR [L2GameClientPacket.java]: Receive RequestBypassToServer to [State: IN_GAME | IP: 82.193.109.35 | Account: gont | Character: Admin | Lastpacket: [C] 21 RequestBypassToServer] failed
java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
	at java.util.ArrayList$Itr.next(ArrayList.java:851)
	at ru.catssoftware.gameserver.model.actor.instance.L2NpcInstance.showDroplist(L2NpcInstance.java:802)
	at ru.catssoftware.gameserver.network.clientpackets.RequestBypassToServer.runImpl(RequestBypassToServer.java:356)
	at ru.catssoftware.gameserver.network.clientpackets.L2GameClientPacket.run(L2GameClientPacket.java:73)
	at com.lucera3.commons.ammocore.PacketExecQueue.run(PacketExecQueue.java:52)
	at com.lucera3.commons.concurrent.IOExecutor.doExec(IOExecutor.java:221)
	at com.lucera3.commons.concurrent.IOExecutor.access$300(IOExecutor.java:17)
	at com.lucera3.commons.concurrent.IOExecutor$IOExecThread.run(IOExecutor.java:95)