21:21:54 [SEVERE] Could not pass event EntityDeathEvent to ecoCreature
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:303)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:441)
	at org.bukkit.craftbukkit.event.CraftEventFactory.callEntityDeathEvent(CraftEventFactory.java:286)
	at net.minecraft.server.EntityLiving.dropDeathLoot(EntityLiving.java:804)
	at net.minecraft.server.EntityLiving.die(EntityLiving.java:770)
	at net.minecraft.server.EntityLiving.damageEntity(EntityLiving.java:666)
	at net.minecraft.server.EntityMonster.damageEntity(EntityMonster.java:44)
	at net.minecraft.server.EntityHuman.attack(EntityHuman.java:807)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:994)
	at lishid.orebfuscator.hook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:157)
	at net.minecraft.server.Packet7UseEntity.handle(SourceFile:33)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:112)
	at lishid.orebfuscator.hook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:60)
	at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:554)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:452)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)
Caused by: java.lang.NoSuchMethodError: org.bukkit.event.Event.<init>(Ljava/lang/String;)V
	at se.crafted.chrisb.ecoCreature.events.CreatureKilledByPlayerEvent.<init>(CreatureKilledByPlayerEvent.java:26)
	at se.crafted.chrisb.ecoCreature.listeners.ecoEntityListener.onEntityDeath(ecoEntityListener.java:46)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301)
	... 18 more