---- Minecraft Crash Report ----
// Oh - I know what I did wrong!

Time: 5/9/15 9:42 AM
Description: Ticking entity

java.lang.NoClassDefFoundError: net/minecraft/client/particle/EntityFX
        at hostileworlds.ai.jobs.JobBossCloseCombat.tick(JobBossCloseCombat.java:53)
        at CoroUtil.componentAI.jobSystem.JobManager.tick(JobManager.java:64)
        at CoroUtil.componentAI.AIAgent.updateAI(AIAgent.java:699)
        at CoroUtil.componentAI.AIAgent.updateAITasks(AIAgent.java:388)
        at hostileworlds.entity.EntityInvader.func_70619_bc(EntityInvader.java:73)
        at net.minecraft.entity.EntityLivingBase.func_70636_d(EntityLivingBase.java:2043)
        at net.minecraft.entity.EntityLiving.func_70636_d(EntityLiving.java:388)
        at net.minecraft.entity.monster.EntityMob.func_70636_d(EntityMob.java:36)
        at net.minecraft.entity.monster.EntityZombie.func_70636_d(EntityZombie.java:244)
        at hostileworlds.entity.EntityInvader.func_70636_d(EntityInvader.java:203)
        at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1876)
        at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:213)
        at net.minecraft.entity.monster.EntityMob.func_70071_h_(EntityMob.java:41)
        at net.minecraft.entity.monster.EntityZombie.func_70071_h_(EntityZombie.java:335)
        at net.minecraft.world.World.func_72866_a(World.java:2647)
        at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:838)
        at net.minecraft.world.World.func_72870_g(World.java:2600)
        at net.minecraft.world.World.func_72939_s(World.java:2412)
        at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:669)
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:943)
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:423)
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:798)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:658)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.particle.EntityFX
        at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 24 more
Caused by: java.lang.NullPointerException


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
        at hostileworlds.ai.jobs.JobBossCloseCombat.tick(JobBossCloseCombat.java:53)
        at CoroUtil.componentAI.jobSystem.JobManager.tick(JobManager.java:64)
        at CoroUtil.componentAI.AIAgent.updateAI(AIAgent.java:699)
        at CoroUtil.componentAI.AIAgent.updateAITasks(AIAgent.java:388)
        at hostileworlds.entity.EntityInvader.func_70619_bc(EntityInvader.java:73)
        at net.minecraft.entity.EntityLivingBase.func_70636_d(EntityLivingBase.java:2043)
        at net.minecraft.entity.EntityLiving.func_70636_d(EntityLiving.java:388)