Divecraft Error

2012-08-10 08:11:46 [SEVERE] Could not pass event PlayerDeathEvent to DiveCraft
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:332)
	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.event.CraftEventFactory.callPlayerDeathEvent(CraftEventFactory.java:322)
	at net.minecraft.server.EntityPlayer.die(EntityPlayer.java:307)
	at net.minecraft.server.EntityLiving.damageEntity(EntityLiving.java:663)
	at net.minecraft.server.EntityHuman.damageEntity(EntityHuman.java:595)
	at net.minecraft.server.EntityPlayer.damageEntity(EntityPlayer.java:349)
	at org.bukkit.craftbukkit.entity.CraftLivingEntity.damage(CraftLivingEntity.java:166)
	at org.bukkit.craftbukkit.entity.CraftLivingEntity.damage(CraftLivingEntity.java:151)
	at com.earth2me.essentials.PlayerExtension.damage(PlayerExtension.java)
	at com.earth2me.essentials.commands.Commandsuicide.run(Commandsuicide.java:21)
	at com.earth2me.essentials.commands.EssentialsCommand.run(EssentialsCommand.java:96)
	at com.earth2me.essentials.Essentials.onCommandEssentials(Essentials.java:383)
	at com.earth2me.essentials.Essentials.onCommand(Essentials.java:301)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:168)
	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:492)
	at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:878)
	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:825)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:807)
	at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:44)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:276)
	at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:109)
	at net.minecraft.server.ServerConnection.b(SourceFile:35)
	at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:581)
	at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
	at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
Caused by: java.lang.NullPointerException
	at be.zardof.divecraft.DiveCraftEventListener.onEntityDeath(DiveCraftEventListener.java:105)
	at sun.reflect.GeneratedMethodAccessor111.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:330)
	... 31 more