java.lang.NullPointerException
        at net.sf.l2j.gameserver.handler.skillhandlers.Pdam.useSkill(Pdam.java:102)
        at net.sf.l2j.gameserver.model.L2Character.callSkill(L2Character.java:2891)
        at net.sf.l2j.gameserver.model.L2Character.onMagicUseTimer(L2Character.java:2801)
        at net.sf.l2j.gameserver.model.L2Character$MagicUseTask.run(L2Character.java:460)
        at java.util.TimerThread.mainLoop(Timer.java:432)