2013-10-28 08:03:25 [SEVERE] Could not pass event EntityDeathEvent to Prism v1.6.5
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:454)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:47)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:478)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:463)
	at org.bukkit.craftbukkit.v1_6_R3.event.CraftEventFactory.callEntityDeathEvent(CraftEventFactory.java:325)
	at net.minecraft.entity.monster.EntityBlaze.func_70628_a(EntityBlaze.java:218)
	at net.minecraft.entity.EntityLivingBase.func_70645_a(EntityLivingBase.java:1132)
	at net.minecraft.entity.EntityLivingBase.func_70097_a(EntityLivingBase.java:1064)
	at net.minecraft.entity.monster.EntityMob.func_70097_a(EntityMob.java:76)
	at powercrystals.minefactoryreloaded.tile.machine.TileEntityGrinder.damageEntity(TileEntityGrinder.java:232)
	at powercrystals.minefactoryreloaded.tile.machine.TileEntityGrinder.activateMachine(TileEntityGrinder.java:202)
	at powercrystals.minefactoryreloaded.tile.base.TileEntityFactoryPowered.func_70316_g(TileEntityFactoryPowered.java:173)
	at net.minecraft.world.World.func_72939_s(World.java:2751)
	at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:859)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:871)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:327)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:765)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:647)
	at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
Caused by: java.lang.NullPointerException