error handling client message [C] 0B CharacterCreate
java.lang.Error: Expertise not found for grade 1
at net.sf.l2j.gameserver.SkillTreeTable.getExpertiseLevel(SkillTreeTable.java:72)
at net.sf.l2j.gameserver.model.actor.instance.L2PcInstance.<clinit>(L2PcInstance.java:204)
at net.sf.l2j.gameserver.clientpackets.CharacterCreate.runImpl(CharacterCreate.java:119)
at net.sf.l2j.gameserver.clientpackets.ClientBasePacket.run(ClientBasePacket.java:57)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)