CMDHELPER-2681 - Reported by Hekta

2013-05-17 00:12:37 [SEVERE] Could not pass event InventoryOpenEvent to CommandHelper v1493-9d3f146
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
at org.bukkit.craftbukkit.v1_5_R3.event.CraftEventFactory.callInventoryOpenEvent(CraftEventFactory.java:549)
at net.minecraft.server.v1_5_R3.EntityPlayer.openAnvil(EntityPlayer.java:499)
at net.minecraft.server.v1_5_R3.BlockAnvil.interact(SourceFile:85)
at net.minecraft.server.v1_5_R3.PlayerInteractManager.interact(PlayerInteractManager.java:379)
at net.minecraft.server.v1_5_R3.PlayerConnection.a(PlayerConnection.java:631)
at net.minecraft.server.v1_5_R3.Packet15Place.handle(SourceFile:58)
at net.minecraft.server.v1_5_R3.NetworkManager.b(NetworkManager.java:292)
at net.minecraft.server.v1_5_R3.PlayerConnection.d(PlayerConnection.java:109)
at net.minecraft.server.v1_5_R3.ServerConnection.b(SourceFile:35)
at net.minecraft.server.v1_5_R3.DedicatedServerConnection.b(SourceFile:30)
at net.minecraft.server.v1_5_R3.MinecraftServer.r(MinecraftServer.java:581)
at net.minecraft.server.v1_5_R3.DedicatedServer.r(DedicatedServer.java:226)
at net.minecraft.server.v1_5_R3.MinecraftServer.q(MinecraftServer.java:477)
at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:410)
at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 2
at net.minecraft.server.v1_5_R3.InventorySubcontainer.getItem(InventorySubcontainer.java:21)
at org.bukkit.craftbukkit.v1_5_R3.inventory.CraftInventory.getItem(CraftInventory.java:49)
at com.laytonsmith.abstraction.bukkit.BukkitMCInventory.getItem(BukkitMCInventory.java:36)
at com.laytonsmith.core.events.drivers.InventoryEvents$inventory_open.evaluate(InventoryEvents.java:188)
at com.laytonsmith.core.events.EventUtils.FireListeners(EventUtils.java:204)
at com.laytonsmith.core.events.EventUtils.TriggerListener(EventUtils.java:193)
at com.laytonsmith.abstraction.bukkit.events.drivers.BukkitInventoryListener.onInvOpen(BukkitInventoryListener.java:33)
at sun.reflect.GeneratedMethodAccessor90.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
... 18 more

Comment by PseudoKnight

This was a Craftbukkit issue and has since been fixed.