[19:30:18] [Craft Scheduler Thread - 230/WARN]: Exception in thread "Craft Scheduler Thread - 230"
[19:30:18] [Craft Scheduler Thread - 230/WARN]: org.apache.commons.lang.UnhandledException: Plugin FruskySpecials v1.0.4 generated an exception while executing task 1656
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:909)
	at java.util.ArrayList$Itr.next(ArrayList.java:859)
	at me.simgar98.fruskyspecials.PhysicalPortalManager$ValidChecker.run(PhysicalPortalManager.java:156)
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:59)
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
	... 3 more