2012-11-13 17:17:28 [SEVERE] Could not pass event CreatureSpawnEvent to DiabloDrops v0.3
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:341)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
	at org.bukkit.craftbukkit.event.CraftEventFactory.callCreatureSpawnEvent(CraftEventFactory.java:226)
	at net.minecraft.server.World.addEntity(World.java:872)
	at net.minecraft.server.SpawnerCreature.spawnEntities(SpawnerCreature.java:158)
	at net.minecraft.server.WorldServer.doTick(WorldServer.java:154)
	at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:565)
	at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:818)
Caused by: java.lang.IllegalArgumentException: Specified enchantment cannot be applied to this itemstack
	at org.bukkit.inventory.ItemStack.addEnchantment(ItemStack.java:301)
	at com.modcrafting.diablodrops.drops.DropsAPI.getItem(DropsAPI.java:74)
	at com.modcrafting.diablodrops.drops.DropsAPI.getItem(DropsAPI.java:140)
	at com.modcrafting.diablodrops.listeners.KillListener.onSpawn(KillListener.java:68)
	at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:339)
	... 12 more