[08:18:10 ERROR]: Could not pass event EntityDamageByEntityEvent to hungergames v1.0
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callEvent(CraftEventFactory.java:86) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:539) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:452) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:571) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.EntityLiving.d(EntityLiving.java:1101) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.EntityLiving.damageEntity(EntityLiving.java:742) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.EntityMonster.damageEntity(EntityMonster.java:42) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.EntityZombie.damageEntity(EntityZombie.java:167) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.EntityHuman.attack(EntityHuman.java:1001) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.EntityPlayer.attack(EntityPlayer.java:1060) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:1328) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.PacketPlayInUseEntity.a(SourceFile:52) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.PacketPlayInUseEntity.a(SourceFile:11) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [?:1.7.0_79]
        at java.util.concurrent.FutureTask.run(FutureTask.java:262) [?:1.7.0_79]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:60) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:718) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_8_R3.entity.CraftZombie cannot be cast to org.bukkit.entity.Player
        at sg.main.Main.PvP(Main.java:147) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_79]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_79]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_79]
        at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_79]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot-1.8.6.jar:git-Spigot-6a6b839-b0e81a4]
        ... 25 more