Bukkit

CraftBukkit version git-Bukkit-1.2.5-R1.3-1-g1614fe8-b2176jnks (MC: 1.2.5) (Implementing API version 1.2.5-R1.4-SNAPSHOT)

20:36:07 [SEVERE] Could not pass event PlayerDeathEvent to MineScore
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:303)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
        at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459)
        at org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerDeathEvent(CraftEventFactory.java:322)
        at net.minecraft.server.EntityPlayer.die(EntityPlayer.java:173)
        at net.minecraft.server.EntityLiving.damageEntity(EntityLiving.java:677)
        at net.minecraft.server.EntityHuman.damageEntity(EntityHuman.java:595)
        at net.minecraft.server.EntityPlayer.damageEntity(EntityPlayer.java:215)
        at net.minecraft.server.EntityHuman.attack(EntityHuman.java:750)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:997)
        at net.minecraft.serverhook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:181)
        at net.minecraft.server.Packet7UseEntity.handle(SourceFile:33)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:113)
        at net.minecraft.serverhook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:83)
        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:551)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: java.lang.ArithmeticException: / by zero
        at me.kamisoyokaze.MineScore.database.enterPvpRH(database.java:239)
        at me.kamisoyokaze.MineScore.listeners.Listener_Entity.onEntityDeath(Listener_Entity.java:111)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301)
        ... 19 more

How is this problem reproduced? What version of minescore are you using? Etc. Just giving me an error is of no help, anyway I can't work on this until the 29th of may.