2014-03-15 19:10:33 [SEVERE] Could not pass event EntityDamageByEntityEvent to LorinthsRpgMobs1.6.4 v1.1
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_6_R3.event.CraftEventFactory.callEvent(CraftEventFactory.java:93)
	at org.bukkit.craftbukkit.v1_6_R3.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:381)
	at org.bukkit.craftbukkit.v1_6_R3.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:406)
	at net.minecraft.server.v1_6_R3.EntityLiving.damageEntity(EntityLiving.java:637)
	at net.minecraft.server.v1_6_R3.EntityHuman.damageEntity(EntityHuman.java:714)
	at net.minecraft.server.v1_6_R3.EntityPlayer.damageEntity(EntityPlayer.java:383)
	at net.minecraft.server.v1_6_R3.EntityMonster.m(EntityMonster.java:79)
	at net.minecraft.server.v1_6_R3.EntitySkeleton.m(EntitySkeleton.java:58)
	at net.minecraft.server.v1_6_R3.PathfinderGoalMeleeAttack.e(PathfinderGoalMeleeAttack.java:85)
	at net.minecraft.server.v1_6_R3.PathfinderGoalSelector.a(PathfinderGoalSelector.java:104)
	at net.minecraft.server.v1_6_R3.EntityInsentient.bi(EntityInsentient.java:419)
	at net.minecraft.server.v1_6_R3.EntityLiving.c(EntityLiving.java:1414)
	at net.minecraft.server.v1_6_R3.EntityInsentient.c(EntityInsentient.java:306)
	at net.minecraft.server.v1_6_R3.EntityMonster.c(EntityMonster.java:20)
	at net.minecraft.server.v1_6_R3.EntitySkeleton.c(EntitySkeleton.java:110)
	at net.minecraft.server.v1_6_R3.EntityLiving.l_(EntityLiving.java:1277)
	at net.minecraft.server.v1_6_R3.EntityInsentient.l_(EntityInsentient.java:150)
	at net.minecraft.server.v1_6_R3.EntityMonster.l_(EntityMonster.java:24)
	at net.minecraft.server.v1_6_R3.World.entityJoinedWorld(World.java:1354)
	at net.minecraft.server.v1_6_R3.World.playerJoinedWorld(World.java:1335)
	at net.minecraft.server.v1_6_R3.World.tickEntities(World.java:1223)
	at net.minecraft.server.v1_6_R3.WorldServer.tickEntities(WorldServer.java:480)
	at net.minecraft.server.v1_6_R3.MinecraftServer.t(MinecraftServer.java:574)
	at net.minecraft.server.v1_6_R3.DedicatedServer.t(DedicatedServer.java:227)
	at net.minecraft.server.v1_6_R3.MinecraftServer.s(MinecraftServer.java:488)
	at net.minecraft.server.v1_6_R3.MinecraftServer.run(MinecraftServer.java:421)
	at net.minecraft.server.v1_6_R3.ThreadServerApplication.run(SourceFile:583)
Caused by: java.lang.IllegalArgumentException: n must be positive
	at java.util.Random.nextInt(Unknown Source)
	at com.MobDifficulty.onEntityHit(MobDifficulty.java:501)
	at sun.reflect.GeneratedMethodAccessor99.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
	... 30 more
2014-03-15 19:11:05 [INFO] CONSOLE: Stopping the server..
2014-03-15 19:11:05 [INFO] Stopping server