Event Stacktract

[15:49:21] [Server thread/INFO]: TheMasteredPanda issued server command: /tfly
[15:49:23] [Server thread/INFO]: [TownyFly] Resident has entered the wilderness.
[15:49:32] [Server thread/ERROR]: Could not pass event EntityDamageEvent to TownyFly v1.0
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callEvent(CraftEventFactory.java:87) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:553) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:539) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:585) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.EntityLiving.d(EntityLiving.java:1102) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.EntityLiving.damageEntity(EntityLiving.java:743) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.EntityMonster.damageEntity(EntityMonster.java:42) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.EntityZombie.damageEntity(EntityZombie.java:167) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.Entity.K(Entity.java:314) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.EntityLiving.K(EntityLiving.java:169) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.EntityInsentient.K(EntityInsentient.java:149) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.Entity.t_(Entity.java:247) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.EntityLiving.t_(EntityLiving.java:1448) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.EntityInsentient.t_(EntityInsentient.java:193) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.EntityMonster.t_(EntityMonster.java:24) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.EntityZombie.t_(EntityZombie.java:221) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.World.entityJoinedWorld(World.java:1607) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.World.g(World.java:1582) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.World.tickEntities(World.java:1425) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.WorldServer.tickEntities(WorldServer.java:597) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:786) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_8_R3.entity.CraftZombie cannot be cast to org.bukkit.entity.Player
	at thevoxstudios.vtownyfly.TownyFly.onDamage(TownyFly.java:99) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_91]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_91]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
	... 28 more