2012-12-21 00:16:15 [SEVERE] Could not pass event EntityDeathEvent to CookieMonster v1.7.3.2
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.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:35)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
	at org.bukkit.craftbukkit.v1_4_6.event.CraftEventFactory.callEntityDeathEvent(CraftEventFactory.java:313)
	at net.minecraft.server.v1_4_6.EntitySkeleton.dropDeathLoot(EntitySkeleton.java:175)
	at net.minecraft.server.v1_4_6.EntityLiving.die(EntityLiving.java:866)
	at net.minecraft.server.v1_4_6.EntitySkeleton.die(EntitySkeleton.java:126)
	at net.minecraft.server.v1_4_6.EntityLiving.damageEntity(EntityLiving.java:746)
	at net.minecraft.server.v1_4_6.EntityMonster.damageEntity(EntityMonster.java:39)
	at net.minecraft.server.v1_4_6.Entity.y(Entity.java:324)
	at net.minecraft.server.v1_4_6.EntityLiving.y(EntityLiving.java:307)
	at net.minecraft.server.v1_4_6.Entity.j_(Entity.java:237)
	at net.minecraft.server.v1_4_6.EntityLiving.j_(EntityLiving.java:497)
	at net.minecraft.server.v1_4_6.EntityMonster.j_(EntityMonster.java:24)
	at net.minecraft.server.v1_4_6.World.entityJoinedWorld(World.java:1334)
	at net.minecraft.server.v1_4_6.WorldServer.entityJoinedWorld(WorldServer.java:546)
	at net.minecraft.server.v1_4_6.World.playerJoinedWorld(World.java:1315)
	at net.minecraft.server.v1_4_6.World.tickEntities(World.java:1193)
	at net.minecraft.server.v1_4_6.WorldServer.tickEntities(WorldServer.java:443)
	at net.minecraft.server.v1_4_6.MinecraftServer.r(MinecraftServer.java:580)
	at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:224)
	at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:494)
	at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:427)
	at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_4_5/entity/CraftSkeleton
	at com.pi.coelho.CookieMonster.CMConfig.creatureIndex(CMConfig.java:268)
	at com.pi.coelho.CookieMonster.CMConfig.creatureIndex(CMConfig.java:240)
	at com.pi.coelho.CookieMonster.CMRewardHandler.getDropReward(CMRewardHandler.java:246)
	at com.pi.coelho.CookieMonster.CMEntityListener.onEntityDeath(CMEntityListener.java:148)
	at sun.reflect.GeneratedMethodAccessor119.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)
	... 25 more