2013-04-12 16:17:21 [SEVERE] Exception in thread "pool-1-thread-67"
2013-04-12 16:17:21 [SEVERE] org.apache.commons.lang.UnhandledException: Plugin BeTheMob v1.11 generated an exception while executing task 117683
   at org.bukkit.craftbukkit.v1_5_R2.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
   at java.lang.Thread.run(Unknown Source)
Caused by: java.util.ConcurrentModificationException
   at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
   at java.util.ArrayList$Itr.next(Unknown Source)
   at org.bukkit.craftbukkit.v1_5_R2.CraftWorld.getPlayers(CraftWorld.java:630)
   at com.lenis0012.bukkit.btm.util.NetworkUtil.sendGlobalPacket(NetworkUtil.java:51)
   at com.lenis0012.bukkit.btm.api.Disguise.swingArm(Disguise.java:287)
   at com.lenis0012.bukkit.btm.BTMListener$7.run(BTMListener.java:200)
   at org.bukkit.craftbukkit.v1_5_R2.scheduler.CraftTask.run(CraftTask.java:53)
   at org.bukkit.craftbukkit.v1_5_R2.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
   ... 3 more