18:43:59 [SEVERE] Could not pass event EntityDamageByEntityEvent to CreativeControl
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 net.minecraft.server.EntityHuman.damageEntity(EntityHuman.java:607)
        at net.minecraft.server.EntityPlayer.damageEntity(EntityPlayer.java:215)
        at net.minecraft.server.EntityMonster.a(EntityMonster.java:103)
        at net.minecraft.server.PathfinderGoalMeleeAttack.e(PathfinderGoalMeleeAttack.java:78)
        at net.minecraft.server.PathfinderGoalSelector.a(SourceFile:55)
        at net.minecraft.server.EntityLiving.z_(EntityLiving.java:1206)
        at net.minecraft.server.EntityLiving.e(EntityLiving.java:1086)
        at net.minecraft.server.EntityMonster.e(EntityMonster.java:26)
        at net.minecraft.server.EntityZombie.e(EntityZombie.java:55)
        at net.minecraft.server.EntityLiving.G_(EntityLiving.java:446)
        at net.minecraft.server.EntityMonster.G_(EntityMonster.java:30)
        at net.minecraft.server.World.entityJoinedWorld(World.java:1260)
        at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:106)
        at net.minecraft.server.World.playerJoinedWorld(World.java:1242)
        at net.minecraft.server.World.tickEntities(World.java:1149)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:545)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:452)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.entity.CraftZombie cannot be cast to org.bukkit.entity.Player
        at me.FurH.CreativeControl.Listeners.CreativeEntityListener.onEntityDamage(CreativeEntityListener.java:58)
        at sun.reflect.GeneratedMethodAccessor136.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:301)
        ... 20 more