Cubics error

[asdfycacaa]

Hello ppl, i was using  L2Script Source Zaken 2.5 shared here. But cubics have a error in the console when you summon here are the pics if someone can help me to fix it.

 

Console error when summon any cubic.

 

[12:29:03] ERROR Exception: RunnableImpl.run(): java.lang.UnsupportedOperationEx
ception
java.lang.UnsupportedOperationException
        at java.util.concurrent.CopyOnWriteArrayList$COWIterator.set(Unknown Sou
rce)
        at java.util.Collections.sort(Unknown Source)
        at l2s.commons.math.random.RndSelector.chance(RndSelector.java:64)
        at l2s.commons.math.random.RndSelector.chance(RndSelector.java:79)
        at l2s.gameserver.templates.CubicTemplate.getRandomSkill(CubicTemplate.j
ava:112)
        at l2s.gameserver.model.actor.instances.player.Cubic.runImpl(Cubic.java:
87)
        at l2s.commons.threading.RunnableImpl.run(RunnableImpl.java:21)
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
        at java.util.concurrent.FutureTask.runAndReset(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.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
        at l2s.commons.threading.PriorityThreadFactory$1.run(PriorityThreadFacto
ry.java:35)

 

Edited January 17, 2019 by asdfycacaa

[asdfycacaa]

its a java version problem.

 

FIXED so Close please.-