30.05 02:44:19 [Server] SEVERE 	at java.lang.Thread.run(Thread.java:722)
30.05 02:44:19 [Server] SEVERE 	at org.bukkit.craftbukkit.scheduler.CraftWorker.run(CraftWorker.java:34)
30.05 02:44:19 [Server] SEVERE 	at me.minebuilders.laggclear.laggclear$1.run(laggclear.java:165)
30.05 02:44:19 [Server] SEVERE 	at me.minebuilders.laggclear.laggclear.lagg(laggclear.java:188)
30.05 02:44:19 [Server] SEVERE 	at org.bukkit.craftbukkit.CraftWorld.getEntities(CraftWorld.java:765)
30.05 02:44:19 [Server] SEVERE 	at java.util.ArrayList$Itr.next(ArrayList.java:791)
30.05 02:44:19 [Server] SEVERE 	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:819)
30.05 02:44:19 [Server] SEVERE java.util.ConcurrentModificationException