Help l2j code

[name23]

Good evening comrades help fix the problem

java.lang.ClassCastException: net.sf.l2j.gameserver.model.actor.instance.L2EvilGuardInstance cannot be cast to net.sf.l2j.gameserver.model.actor.instance.L2PcInstance
    at net.sf.l2j.gameserver.model.L2Character.doAttack(L2Character.java:643)
    at net.sf.l2j.gameserver.model.L2Character$AIAccessor.doAttack(L2Character.java:3672)
    at net.sf.l2j.gameserver.model.actor.instance.L2PcInstance$AIAccessor.doAttack(L2PcInstance.java:303)
    at net.sf.l2j.gameserver.ai.L2PlayerAI.thinkAttack(L2PlayerAI.java:244)
    at net.sf.l2j.gameserver.ai.L2PlayerAI.onEvtThink(L2PlayerAI.java:367)
    at net.sf.l2j.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:356)
    at net.sf.l2j.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:334)
    at net.sf.l2j.gameserver.ai.L2CharacterAI.onIntentionAttack(L2CharacterAI.java:272)
    at net.sf.l2j.gameserver.ai.AbstractAI.setIntention(AbstractAI.java:288)
    at net.sf.l2j.gameserver.ai.AbstractAI.setIntention(AbstractAI.java:249)
    at net.sf.l2j.gameserver.model.L2Character.onForcedAttack(L2Character.java:5619)
    at net.sf.l2j.gameserver.clientpackets.AttackRequest.runImpl(AttackRequest.java:87)
    at net.sf.l2j.gameserver.clientpackets.L2GameClientPacket.run(L2GameClientPacket.java:97)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

[Grundor]

Hi!

 

You must provide some extra informations to get help, for example what distribuition of l2j you are using, when the problem happens, what are you trying to do, etc.

And I recomend the reading (you will be able to easy translate it with google translator)