[20:52:10 ERROR]: Could not pass event EntityDamageByEntityEvent to PlayerPopper
 v1.0
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:294) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j
ava:501) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:486) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at org.bukkit.craftbukkit.v1_7_R1.event.CraftEventFactory.callEvent(Craf
tEventFactory.java:98) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jn
ks]
        at org.bukkit.craftbukkit.v1_7_R1.event.CraftEventFactory.callEntityDama
geEvent(CraftEventFactory.java:386) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85
f5776-b3024jnks]
        at org.bukkit.craftbukkit.v1_7_R1.event.CraftEventFactory.handleEntityDa
mageEvent(CraftEventFactory.java:414) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g
85f5776-b3024jnks]
        at net.minecraft.server.v1_7_R1.EntityLiving.damageEntity(EntityLiving.j
ava:656) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at net.minecraft.server.v1_7_R1.EntityHuman.damageEntity(EntityHuman.jav
a:746) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at net.minecraft.server.v1_7_R1.EntityPlayer.damageEntity(EntityPlayer.j
ava:446) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at net.minecraft.server.v1_7_R1.EntityArrow.h(EntityArrow.java:231) [cra
ftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at net.minecraft.server.v1_7_R1.World.entityJoinedWorld(World.java:1348)
 [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at net.minecraft.server.v1_7_R1.World.playerJoinedWorld(World.java:1329)
 [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at net.minecraft.server.v1_7_R1.World.tickEntities(World.java:1217) [cra
ftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at net.minecraft.server.v1_7_R1.WorldServer.tickEntities(WorldServer.jav
a:480) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:6
37) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:2
50) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:5
45) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java
:457) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:6
17) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_7_R1.entity.C
raftArrow cannot be cast to org.bukkit.entity.Player
        at me.legitsoulja.playpopper.PlayerPopper.onHit(PlayerPopper.java:42) ~[
?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0
_55]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0
_55]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1
.7.0_55]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_55]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:292) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks]
        ... 19 more
>