WARNING C:\server kameal\gameserver\data\scripts\ai\individual\vanhalter.py
java.lang.NullPointerException
        at net.sf.l2j.gameserver.instancemanager.grandbosses.VanHalterManager.sp
awnCameraMarker(VanHalterManager.java:853)
        at net.sf.l2j.gameserver.instancemanager.grandbosses.VanHalterManager.ch
eckRoyalGuardCaptainDestroy(VanHalterManager.java:1037)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.python.core.PyReflectedFunction.__call__(Unknown Source)
        at org.python.core.PyMethod.__call__(Unknown Source)
        at org.python.core.PyObject.__call__(Unknown Source)
        at org.python.core.PyInstance.invoke(Unknown Source)
        at org.python.pycode._pyx11.onKill$4(vanhalter.py:28)
        at org.python.pycode._pyx11.call_function(vanhalter.py)
        at org.python.core.PyTableCode.call(Unknown Source)
        at org.python.core.PyTableCode.call(Unknown Source)
        at org.python.core.PyTableCode.call(Unknown Source)
        at org.python.core.PyFunction.__call__(Unknown Source)
        at org.python.core.PyMethod.__call__(Unknown Source)
        at org.python.core.PyObject.__call__(Unknown Source)
        at org.python.core.PyObject._jcallexc(Unknown Source)
        at org.python.core.PyObject._jcall(Unknown Source)
        at org.python.proxies.main$vanhalter$10.onKill(Unknown Source)
        at net.sf.l2j.gameserver.model.quest.Quest.notifyKill(Quest.java:290)
        at net.sf.l2j.gameserver.model.L2Attackable.doDie(L2Attackable.java:503)

        at net.sf.l2j.gameserver.model.actor.instance.L2MonsterInstance.doDie(L2
MonsterInstance.java:215)
        at net.sf.l2j.gameserver.model.actor.status.CharStatus.reduceHp(CharStat
us.java:256)
        at net.sf.l2j.gameserver.model.actor.status.NpcStatus.reduceHp(NpcStatus
.java:47)
        at net.sf.l2j.gameserver.model.L2Character.reduceCurrentHp(L2Character.j
ava:7521)
        at net.sf.l2j.gameserver.model.L2Attackable.reduceCurrentHp(L2Attackable
.java:447)
        at net.sf.l2j.gameserver.model.L2Attackable.reduceCurrentHp(L2Attackable
.java:391)
        at net.sf.l2j.gameserver.handler.skillhandlers.Mdam.useSkill(Mdam.java:1
99)
        at net.sf.l2j.gameserver.model.L2Character.callSkill(L2Character.java:71
10)
        at net.sf.l2j.gameserver.model.L2Character.onMagicHitTimer(L2Character.j
ava:6815)
        at net.sf.l2j.gameserver.model.L2Character$MagicUseTask.run(L2Character.
java:2938)
        at java.util.concurrent.Executors$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)