[15:18:13] [Craft Scheduler Thread - 256/WARN]: Exception in thread "Craft Scheduler Thread - 256"
[15:18:13] [Craft Scheduler Thread - 256/WARN]: org.apache.commons.lang.UnhandledException: Plugin Mini_Block v1.0.2 generated an exception while executing task 38193
	at org.bukkit.craftbukkit.v1_8_R2.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
	at java.util.ArrayList$Itr.next(ArrayList.java:851)
	at org.bukkit.craftbukkit.v1_8_R2.CraftWorld.getEntitiesByClass(CraftWorld.java:668)
	at ch.mrlasagne.miniblock.MiniBlockEntity.init(MiniBlockEntity.java:122)
	at ch.mrlasagne.miniblock.MiniBlock$2.run(MiniBlock.java:347)
	at org.bukkit.craftbukkit.v1_8_R2.scheduler.CraftTask.run(CraftTask.java:71)
	at org.bukkit.craftbukkit.v1_8_R2.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
	... 3 more