02:20:57] [Craft Scheduler Thread - 8/WARN]: Exception in thread "Craft Scheduler Thread - 8"
[02:20:57] [Craft Scheduler Thread - 8/WARN]: org.apache.commons.lang.UnhandledException: Plugin ArchonCrates v8.0 generated an exception while executing task 41575
	at org.bukkit.craftbukkit.v1_7_R4.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.lang.IllegalArgumentException: No enum constant org.bukkit.Material.null
	at java.lang.Enum.valueOf(Unknown Source)
	at org.bukkit.Material.valueOf(Material.java:80)
	at me.ArchonCrates.hammy2899.API.ArchonCratesAPI$2.run(ArchonCratesAPI.java:262)
	at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftTask.run(CraftTask.java:71)
	at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
	... 3 more