EntityDamageByEntityEvent SG

2013-07-02 19:19:53 [SEVERE] Could not pass event EntityDamageByEntityEvent to SurvivalGames v0.5.8.44
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:478)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:463)
	at org.bukkit.craftbukkit.v1_5_R3.event.CraftEventFactory.callEvent(CraftEventFactory.java:94)
	at org.bukkit.craftbukkit.v1_5_R3.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:398)
	at org.bukkit.craftbukkit.v1_5_R3.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:423)
	at net.minecraft.server.v1_5_R3.EntityLiving.damageEntity(EntityLiving.java:691)
	at net.minecraft.server.v1_5_R3.EntityHuman.damageEntity(EntityHuman.java:684)
	at net.minecraft.server.v1_5_R3.EntityPlayer.damageEntity(EntityPlayer.java:359)
	at net.minecraft.server.v1_5_R3.EntityHuman.attack(EntityHuman.java:874)
	at net.minecraft.server.v1_5_R3.PlayerConnection.a(PlayerConnection.java:1118)
	at net.minecraft.server.v1_5_R3.Packet7UseEntity.handle(SourceFile:36)
	at org.spigotmc.netty.NettyNetworkManager.b(NettyNetworkManager.java:215)
	at net.minecraft.server.v1_5_R3.PlayerConnection.d(PlayerConnection.java:115)
	at net.minecraft.server.v1_5_R3.ServerConnection.b(SourceFile:35)
	at org.spigotmc.MultiplexingServerConnection.b(MultiplexingServerConnection.java:61)
	at net.minecraft.server.v1_5_R3.MinecraftServer.r(MinecraftServer.java:583)
	at net.minecraft.server.v1_5_R3.DedicatedServer.r(DedicatedServer.java:233)
	at net.minecraft.server.v1_5_R3.MinecraftServer.q(MinecraftServer.java:472)
	at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:404)
	at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NullPointerException
	at org.mcsg.survivalgames.stats.StatsManager.addKill(StatsManager.java:109)
	at org.mcsg.survivalgames.Game.killPlayer(Game.java:564)
	at org.mcsg.survivalgames.events.DeathEvent.onPlayerDieEvent(DeathEvent.java:58)
	at sun.reflect.GeneratedMethodAccessor100.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
	... 22 more