1:13:55 PM [SEVERE] Could not pass event EntityDamageByEntityEvent to Zombie Apocalypse v<0.0.1>
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_5_R2.event.CraftEventFactory.callEvent(CraftEventFactory.java:84)
at org.bukkit.craftbukkit.v1_5_R2.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:372)
at org.bukkit.craftbukkit.v1_5_R2.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:396)
at net.minecraft.server.v1_5_R2.EntityLiving.damageEntity(EntityLiving.java:694)
at net.minecraft.server.v1_5_R2.EntityMonster.m(EntityMonster.java:88)
at net.minecraft.server.v1_5_R2.EntityZombie.m(EntityZombie.java:129)
at net.minecraft.server.v1_5_R2.PathfinderGoalMeleeAttack.e(PathfinderGoalMeleeAttack.java:83)
at net.minecraft.server.v1_5_R2.PathfinderGoalSelector.a(PathfinderGoalSelector.java:104)
at net.minecraft.server.v1_5_R2.EntityLiving.bo(EntityLiving.java:1513)
at net.minecraft.server.v1_5_R2.EntityLiving.c(EntityLiving.java:1310)
at net.minecraft.server.v1_5_R2.EntityMonster.c(EntityMonster.java:20)
at net.minecraft.server.v1_5_R2.EntityZombie.c(EntityZombie.java:112)
at net.minecraft.server.v1_5_R2.EntityLiving.l_(EntityLiving.java:542)
at net.minecraft.server.v1_5_R2.EntityMonster.l_(EntityMonster.java:24)
at net.minecraft.server.v1_5_R2.EntityZombie.l_(EntityZombie.java:125)
at net.minecraft.server.v1_5_R2.World.entityJoinedWorld(World.java:1356)
at net.minecraft.server.v1_5_R2.WorldServer.entityJoinedWorld(WorldServer.java:597)
at net.minecraft.server.v1_5_R2.World.playerJoinedWorld(World.java:1337)
at net.minecraft.server.v1_5_R2.World.tickEntities(World.java:1225)
at net.minecraft.server.v1_5_R2.WorldServer.tickEntities(WorldServer.java:463)
at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:562)
at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:225)
at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:476)
at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:409)
at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_5_R1/entity/CraftArrow
at blainicus.MonsterApocalypse.DamageListener.onEntityDamage(DamageListener.java:82)
at sun.reflect.GeneratedMethodAccessor64.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)
... 28 more