[SEVERE] Could not pass event CreatureSpawnEvent to MobManager v2.3
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_4_R1.event.CraftEventFactory.callCreatureSpawnEvent(CraftEventFactory.java:227)
at net.minecraft.server.v1_4_R1.World.addEntity(World.java:901)
at net.minecraft.server.v1_4_R1.SpawnerCreature.spawnEntities(SpawnerCreature.java:159)
at net.minecraft.server.v1_4_R1.WorldServer.doTick(WorldServer.java:157)
at net.minecraft.server.v1_4_R1.MinecraftServer.r(MinecraftServer.java:572)
at net.minecraft.server.v1_4_R1.DedicatedServer.r(DedicatedServer.java:224)
at net.minecraft.server.v1_4_R1.MinecraftServer.q(MinecraftServer.java:494)
at net.minecraft.server.v1_4_R1.MinecraftServer.run(MinecraftServer.java:427)
at net.minecraft.server.v1_4_R1.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.NullPointerException
at com.forgenz.mobmanager.abilities.listeners.AbilitiesMobListener.addAbilities(AbilitiesMobListener.java:107)
at com.forgenz.mobmanager.abilities.listeners.AbilitiesMobListener.onCreatureSpawn(AbilitiesMobListener.java:102)
at sun.reflect.GeneratedMethodAccessor74.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
... 12 more