[20:01:03] [Server thread/ERROR]: Could not pass event EntityDamageByEntityEvent to DwarfCraft v1.9.5
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:486) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:471) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at org.bukkit.craftbukkit.v1_7_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:98) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at org.bukkit.craftbukkit.v1_7_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:386) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at org.bukkit.craftbukkit.v1_7_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:414) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.EntityLiving.damageEntity(EntityLiving.java:656) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.EntityMonster.damageEntity(EntityMonster.java:47) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.EntityZombie.damageEntity(EntityZombie.java:156) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.EntityHuman.attack(EntityHuman.java:918) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.citizensnpcs.npc.ai.MCTargetStrategy$1.handle(MCTargetStrategy.java:234) [Citizens.jar:?]
	at net.citizensnpcs.npc.ai.MCTargetStrategy.update(MCTargetStrategy.java:126) [Citizens.jar:?]
	at net.citizensnpcs.npc.ai.CitizensNavigator.run(CitizensNavigator.java:132) [Citizens.jar:?]
	at net.citizensnpcs.npc.CitizensNPC.update(CitizensNPC.java:221) [Citizens.jar:?]
	at net.citizensnpcs.npc.entity.EntityHumanNPC.h(EntityHumanNPC.java:175) [Citizens.jar:?]
	at net.minecraft.server.v1_7_R1.World.entityJoinedWorld(World.java:1348) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.World.playerJoinedWorld(World.java:1329) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.World.tickEntities(World.java:1217) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.WorldServer.tickEntities(WorldServer.java:480) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:637) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
Caused by: java.lang.NullPointerException
	at com.Jessy1237.DwarfCraft.events.DCEntityListener.onEntityAttack(DCEntityListener.java:211) ~[?:?]
	at com.Jessy1237.DwarfCraft.events.DCEntityListener.onEntityDamage(DCEntityListener.java:87) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor135.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_45]
	at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_45]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:318) ~[cb.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	... 24 more