java.lang.NullPointerException
        at net.sf.l2j.gameserver.skills.Formulas.calcPhysDam(Formulas.java:934)
        at net.sf.l2j.gameserver.model.L2Character.doAttackHitSimple(L2Character.java:797)
        at net.sf.l2j.gameserver.model.L2Character.doAttack(L2Character.java:485)
        at net.sf.l2j.gameserver.model.L2Character$AIAccessor.doAttack(L2Character.java:2423)
        at net.sf.l2j.gameserver.ai.L2AttackableAI.thinkAttack(L2AttackableAI.java:650)
        at net.sf.l2j.gameserver.ai.L2AttackableAI.onEvtThink(L2AttackableAI.java:675)
        at net.sf.l2j.gameserver.ai.L2CharacterAI.onEvtReadyToAct(L2CharacterAI.java:704)
        at net.sf.l2j.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:370)
        at net.sf.l2j.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:318)
        at net.sf.l2j.gameserver.model.L2Character$NotifyAITask.run(L2Character.java:1531)
        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)