NPC removing STARTED!
error handling client message [C] 5b SendBypassBuildCmd
java.util.ConcurrentModificationException
        at java.util.HashMap$HashIterator.nextEntry(Unknown Source)
        at java.util.HashMap$ValueIterator.next(Unknown Source)
        at net.sf.l2j.gameserver.handler.admincommandhandlers.AdminSpawn.useAdmi
nCommand(AdminSpawn.java:93)
        at net.sf.l2j.gameserver.clientpackets.SendBypassBuildCmd.runImpl(SendBy
passBuildCmd.java:60)
        at net.sf.l2j.gameserver.clientpackets.ClientBasePacket.run(ClientBasePa
cket.java:56)
        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)