21:06:00 [SEVERE] Could not pass event PlayerDeathEvent to Stats vjenkins-Stats-189
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.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
    at org.bukkit.craftbukkit.v1_5_R1.event.CraftEventFactory.callPlayerDeathEvent(CraftEventFactory.java:335)
    at net.minecraft.server.v1_5_R1.EntityPlayer.die(EntityPlayer.java:285)
    at net.minecraft.server.v1_5_R1.EntityLiving.damageEntity(EntityLiving.java:765)
    at net.minecraft.server.v1_5_R1.EntityHuman.damageEntity(EntityHuman.java:683)
    at net.minecraft.server.v1_5_R1.EntityPlayer.damageEntity(EntityPlayer.java:350)
    at org.bukkit.craftbukkit.v1_5_R1.entity.CraftLivingEntity.damage(CraftLivingEntity.java:190)
    at org.bukkit.craftbukkit.v1_5_R1.entity.CraftLivingEntity.damage(CraftLivingEntity.java:175)
    at net.h31ix.anticheat.event.InventoryListener.onInventoryClick(InventoryListener.java:43)
    at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
    at net.minecraft.server.v1_5_R1.PlayerConnection.a(PlayerConnection.java:1178)
    at net.minecraft.server.v1_5_R1.Packet102WindowClick.handle(SourceFile:31)
    at net.minecraft.server.v1_5_R1.NetworkManager.b(NetworkManager.java:292)
    at net.minecraft.server.v1_5_R1.PlayerConnection.d(PlayerConnection.java:113)
    at net.minecraft.server.v1_5_R1.ServerConnection.b(SourceFile:35)
    at net.minecraft.server.v1_5_R1.DedicatedServerConnection.b(SourceFile:30)
    at net.minecraft.server.v1_5_R1.MinecraftServer.r(MinecraftServer.java:580)
    at net.minecraft.server.v1_5_R1.DedicatedServer.r(DedicatedServer.java:225)
    at net.minecraft.server.v1_5_R1.MinecraftServer.q(MinecraftServer.java:476)
    at net.minecraft.server.v1_5_R1.MinecraftServer.run(MinecraftServer.java:409)
    at net.minecraft.server.v1_5_R1.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NullPointerException
    at nl.lolmewn.stats.EventListener.onPlayerDeath(EventListener.java:167)
    at sun.reflect.GeneratedMethodAccessor466.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
    ... 29 more