interlude error

[Mons7er]

SEVERE Client: [Character: xxadrenalinaxx - Account: juan456 - IP: 190.36.209.64

] - Failed running: [C] 2F RequestMagicSkillUse - L2Emu Server Version: 49

java.lang.NullPointerException

        at net.sf.l2j.gameserver.model.L2Character.cancelEffectMeditation(L2Char

acter.java:6609)

        at net.sf.l2j.gameserver.model.L2Character.doCast(L2Character.java:1276)

 

        at net.sf.l2j.gameserver.model.L2Character$AIAccessor.doCast(L2Character

.java:3514)

        at net.sf.l2j.gameserver.model.actor.instance.L2PcInstance$AIAccessor.do

Cast(L2PcInstance.java:330)

        at net.sf.l2j.gameserver.ai.L2PlayerAI.thinkCast(L2PlayerAI.java:251)

        at net.sf.l2j.gameserver.ai.L2PlayerAI.onEvtThink(L2PlayerAI.java:316)

        at net.sf.l2j.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:362)

        at net.sf.l2j.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:336)

        at net.sf.l2j.gameserver.ai.L2CharacterAI.onIntentionCast(L2CharacterAI.

java:283)

        at net.sf.l2j.gameserver.ai.AbstractAI.setIntention(AbstractAI.java:290)

 

        at net.sf.l2j.gameserver.model.L2Character.useMagic(L2Character.java:190

6)

        at net.sf.l2j.gameserver.model.actor.instance.L2PcInstance.useMagic(L2Pc

Instance.java:7868)

        at net.sf.l2j.gameserver.clientpackets.RequestMagicSkillUse.runImpl(Requ

estMagicSkillUse.java:91)

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

ntPacket.java:81)

        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExec

utor.java:885)

        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor

.java:907)

        at java.lang.Thread.run(Thread.java:619)

 

how can i stop this?

[jossoo]

u have 1problem with this char and 1 magic skill...u pack geting error...

[Mons7er]

an how can is know what skill is...and how to fix this error?