Bad RequestBypassToServer:
java.lang.ClassCastException: java.util.HashSet
at net.sf.l2j.gameserver.handler.admincommandhandlers.AdminEditNpc.showNpcDropList(AdminEditNpc.java:753)
at net.sf.l2j.gameserver.handler.admincommandhandlers.AdminEditNpc.useAdminCommand(AdminEditNpc.java:131)
at net.sf.l2j.gameserver.clientpackets.RequestBypassToServer.runImpl(RequestBypassToServer.java:112)
at net.sf.l2j.gameserver.clientpackets.ClientBasePacket.run(ClientBasePacket.java:99)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:417)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
at java.util.concurrent.FutureTask.run(FutureTask.java:123)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:65)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:168)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:595)