13:13:37 [SEVERE] Could not pass event EntityDamageByEntityEvent to Likeaboss
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:303)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459)
        at com.herocraftonline.heroes.characters.skill.Skill.damageEntity(Skill.java:228)
        at com.herocraftonline.heroes.characters.skill.Skill.damageEntity(Skill.java:278)
        at com.herocraftonline.heroes.characters.skill.skills.SkillFireball$SkillEntityListener.onEntityDamage(SkillFireball.java:108)
        at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459)
        at org.bukkit.craftbukkit.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:360)
        at org.bukkit.craftbukkit.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:378)
        at net.minecraft.server.EntityLiving.damageEntity(EntityLiving.java:608)
        at net.minecraft.server.EntityMonster.damageEntity(EntityMonster.java:38)
        at net.minecraft.server.EntitySnowball.a(SourceFile:30)
        at net.minecraft.server.EntityProjectile.F_(EntityProjectile.java:156)
        at net.minecraft.server.World.entityJoinedWorld(World.java:1264)
        at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:106)
        at net.minecraft.server.World.playerJoinedWorld(World.java:1246)
        at net.minecraft.server.World.tickEntities(World.java:1153)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:542)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: java.lang.NullPointerException
        at cam.listener.LabEntityListener.onEntityDamage(LabEntityListener.java:194)
        at sun.reflect.GeneratedMethodAccessor20.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301)
        ... 24 more