[21:06:08 ERROR]: Could not pass event EntityDamageByEntityEvent to DunterraDuels v0.0.4
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callEvent(CraftEventFactory.java:86) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:552) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:465) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:584) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.EntityLiving.d(EntityLiving.java:1107) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.EntityHuman.d(EntityHuman.java:860) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.EntityLiving.damageEntity(EntityLiving.java:743) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.EntityHuman.damageEntity(EntityHuman.java:801) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.EntityPlayer.damageEntity(EntityPlayer.java:504) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.EntityArrow.t_(EntityArrow.java:250) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.World.entityJoinedWorld(World.java:1662) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.World.g(World.java:1629) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.World.tickEntities(World.java:1466) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.WorldServer.tickEntities(WorldServer.java:598) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:843) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:711) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:614) [paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_60]
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_8_R3.entity.CraftArrow cannot be cast to org.bukkit.entity.Player
        at com.mrhodge.dunterraduels.listeners.PlayerListener.onPlayerDamage(PlayerListener.java:63) ~[?:?]
        at sun.reflect.GeneratedMethodAccessor681.invoke(Unknown Source) ~[?:?]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_60]
        at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_60]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[paperspigot.jar:git-PaperSpigot-7aa4900-62a2169]
        ... 22 more