[v0dirivs]

ERROR Exception: RunnableImpl.run(): java.lang.IllegalArgumentException
java.lang.IllegalArgumentException
at l2s.gameserver.model.entity.Reflection.spawnByGrou p(Reflection.java:934)
at instances.Kartia.nextWave(Kartia.java:655)
at instances.Kartia.access$1(Kartia.java:616)
at instances.Kartia$2.runImpl(Kartia.java:766)
at l2s.commons.threading.RunnableImpl.run(RunnableImp l.java:21)
at java.util.concurrent.Executors$RunnableAdapter.cal l(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(Futu reTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.jav a:138)
at java.util.concurrent.ScheduledThreadPoolExecutor$S cheduledFutureTask.access$301(ScheduledThreadPoolE xecutor.java:98)
at java.util.concurrent.ScheduledThreadPoolExecutor$S cheduledFutureTask.run(ScheduledThreadPoolExecutor .java:206)
at java.util.concurrent.ThreadPoolExecutor$Worker.run Task(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)