error handling client message [C] 2F RequestMagicSkillUse
java.lang.ArrayIndexOutOfBoundsException: 1
        at net.sf.l2j.gameserver.model.L2Skill.getTargetList(L2Skill.java:1014)
        at net.sf.l2j.gameserver.model.L2Character.doCast(L2Character.java:4290)
        at net.sf.l2j.gameserver.model.L2Character$AIAccessor.doCast(L2Character.java:163)
        at net.sf.l2j.gameserver.ai.L2PlayerAI.thinkCast(L2PlayerAI.java:155)
        at net.sf.l2j.gameserver.ai.L2PlayerAI.onEvtThink(L2PlayerAI.java:198)
        at net.sf.l2j.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:311)
        at net.sf.l2j.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:288)
        at net.sf.l2j.gameserver.ai.L2CharacterAI.onIntentionCast(L2CharacterAI.java:270)
        at net.sf.l2j.gameserver.ai.AbstractAI.setIntention(AbstractAI.java:243)
        at net.sf.l2j.gameserver.model.L2Character.useMagic(L2Character.java:4253)
        at net.sf.l2j.gameserver.model.L2PcInstance.useMagic(L2PcInstance.java:4698)
        at net.sf.l2j.gameserver.clientpackets.RequestMagicSkillUse.runImpl(RequestMagicSkillUse.java:71)
        at net.sf.l2j.gameserver.clientpackets.ClientBasePacket.run(ClientBasePacket.java:56)
        at java.util.concurrent.Executors$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)