WARNING C:\L2jServer\gameserver\data\scripts\quests\255_Tutorial\__init__.py
Traceback (innermost last):
  File "__init__.py", line 275, in onAdvEvent
UnboundLocalError: local: 'classId'

        at org.python.core.Py.UnboundLocalError(Unknown Source)
        at org.python.core.PyFrame.getlocal(Unknown Source)
        at org.python.core.PyFrame.getlocal(Unknown Source)
        at org.python.pycode._pyx202.onAdvEvent$3(__init__.py:275)
        at org.python.pycode._pyx202.call_function(__init__.py)
        at org.python.core.PyTableCode.call(Unknown Source)
        at org.python.core.PyTableCode.call(Unknown Source)
        at org.python.core.PyTableCode.call(Unknown Source)
        at org.python.core.PyFunction.__call__(Unknown Source)
        at org.python.core.PyMethod.__call__(Unknown Source)
        at org.python.core.PyObject.__call__(Unknown Source)
        at org.python.core.PyObject._jcallexc(Unknown Source)
        at org.python.core.PyObject._jcall(Unknown Source)
        at org.python.proxies.main$Quest$202.onAdvEvent(Unknown Source)
        at net.sf.l2j.gameserver.model.quest.Quest.notifyEvent(Quest.java:286)
        at net.sf.l2j.gameserver.model.actor.stat.PcStat.addLevel(PcStat.java:21
6)
        at net.sf.l2j.gameserver.model.actor.stat.PlayableStat.addExp(PlayableSt
at.java:51)
        at net.sf.l2j.gameserver.model.actor.stat.PcStat.addExp(PcStat.java:72)
        at net.sf.l2j.gameserver.model.actor.stat.PlayableStat.addExpAndSp(Playa
bleStat.java:80)
        at net.sf.l2j.gameserver.model.actor.stat.PcStat.addExpAndSp(PcStat.java
:125)
        at net.sf.l2j.gameserver.model.actor.instance.L2PcInstance.addExpAndSp(L
2PcInstance.java:9891)
        at net.sf.l2j.gameserver.model.L2Attackable.calculateRewards(L2Attackabl
e.java:700)
        at net.sf.l2j.gameserver.model.L2Character.doDie(L2Character.java:2145)
        at net.sf.l2j.gameserver.model.actor.instance.L2NpcInstance.doDie(L2NpcI
nstance.java:2557)
        at net.sf.l2j.gameserver.model.L2Attackable.doDie(L2Attackable.java:486)

        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:262)
        at net.sf.l2j.gameserver.model.actor.status.NpcStatus.reduceHp(NpcStatus
.java:47)
        at net.sf.l2j.gameserver.model.L2Character.reduceCurrentHp(L2Character.j
ava:7434)
        at net.sf.l2j.gameserver.model.L2Attackable.reduceCurrentHp(L2Attackable
.java:460)
        at net.sf.l2j.gameserver.model.L2Attackable.reduceCurrentHp(L2Attackable
.java:404)
        at net.sf.l2j.gameserver.handler.skillhandlers.Mdam.useSkill(Mdam.java:1
94)
        at net.sf.l2j.gameserver.model.L2Character.callSkill(L2Character.java:70
12)
        at net.sf.l2j.gameserver.model.L2Character.onMagicHitTimer(L2Character.j
ava:6712)
        at net.sf.l2j.gameserver.model.L2Character$MagicUseTask.run(L2Character.
java:2850)
        at java.util.concurrent.Executors$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)