warlock cat Queen Buffs cannot using

From last update we canot using bufffs from warlock cat quen. Elso i find this log pleae check it thanks :-)

Exception in thread "General Pool-4" java.lang.ClassCastException: net.sf.l2j.gameserver.model.actor.instance.L2BabyPetInstance cannot be cast to net.sf.l2j.gameserver.model.actor.instance.L2PcInstance
at net.sf.l2j.gameserver.model.L2Object.pickupMe(L2Object.java:206)
at net.sf.l2j.gameserver.model.actor.instance.L2PetInstance.doPickupItem(L2PetInstance.java:570)
at net.sf.l2j.gameserver.model.L2Summon$AIAccessor.doPickupItem(L2Summon.java:84)
at net.sf.l2j.gameserver.ai.L2SummonAI.thinkPickUp(L2SummonAI.java:100)
at net.sf.l2j.gameserver.ai.L2SummonAI.onEvtThink(L2SummonAI.java:119)
at net.sf.l2j.gameserver.ai.L2CharacterAI.onEvtArrived(L2CharacterAI.java:706)
at net.sf.l2j.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:389)
at net.sf.l2j.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:319)
at net.sf.l2j.gameserver.GameTimeController$MovingObjectArrived.run(GameTimeController.java:239)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

Both got fixed at revision 571.
Thanks a lot for reporting, and my apologies for the inconvenience.