2013-01-17 20:53:25 [SEVERE] Could not pass event EntityDamageByEntityEvent to WeaponLevels v1.2.1 DEV
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.callEvent(CraftEventFactory.java:81)
	at org.bukkit.craftbukkit.v1_4_6.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:369)
	at org.bukkit.craftbukkit.v1_4_6.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:391)
	at net.minecraft.server.v1_4_6.EntityLiving.damageEntity(EntityLiving.java:686)
	at net.minecraft.server.v1_4_6.EntityHuman.damageEntity(EntityHuman.java:617)
	at net.minecraft.server.v1_4_6.EntityPlayer.damageEntity(EntityPlayer.java:309)
	at net.minecraft.server.v1_4_6.EntityArrow.j_(EntityArrow.java:226)
	at net.minecraft.server.v1_4_6.World.tickEntity(World.java:1460)
	at net.minecraft.server.v1_4_6.World.entityJoinedWorld(World.java:1421)
	at net.minecraft.server.v1_4_6.WorldServer.entityJoinedWorld(WorldServer.java:575)
	at net.minecraft.server.v1_4_6.World.playerJoinedWorld(World.java:1411)
	at net.minecraft.server.v1_4_6.World.tickEntities(World.java:1289)
	at net.minecraft.server.v1_4_6.WorldServer.tickEntities(WorldServer.java:466)
	at net.minecraft.server.v1_4_6.MinecraftServer.r(MinecraftServer.java:567)
	at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:224)
	at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:481)
	at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:416)
	at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.NullPointerException
	at me.innoko.weaponlevels.Weapon.hasWeaponLevelMeta(Weapon.java:72)
	at me.innoko.weaponlevels.Weapon.<init>(Weapon.java:32)
	at me.innoko.weaponlevels.listeners.ArmorListener.onEntityDamageByEntity(ArmorListener.java:40)
	at sun.reflect.GeneratedMethodAccessor820.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:425)
	... 22 more