[22:59:23 ERROR]: Could not pass event EntityDamageByEntityEvent to Magic v6.2-SNAPSHOT
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at org.bukkit.craftbukkit.v1_9_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:87) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at org.bukkit.craftbukkit.v1_9_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:556) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at org.bukkit.craftbukkit.v1_9_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:465) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at org.bukkit.craftbukkit.v1_9_R1.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:588) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at net.minecraft.server.v1_9_R1.EntityLiving.damageEntity0(EntityLiving.java:1206) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at net.minecraft.server.v1_9_R1.EntityLiving.damageEntity(EntityLiving.java:814) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at net.minecraft.server.v1_9_R1.EntityMonster.damageEntity(EntityMonster.java:44) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at net.minecraft.server.v1_9_R1.EntityHuman.attack(EntityHuman.java:999) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at net.minecraft.server.v1_9_R1.EntityPlayer.attack(EntityPlayer.java:1141) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at net.minecraft.server.v1_9_R1.PlayerConnection.a(PlayerConnection.java:1529) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at net.minecraft.server.v1_9_R1.PacketPlayInUseEntity.a(SourceFile:68) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at net.minecraft.server.v1_9_R1.PacketPlayInUseEntity.a(SourceFile:12) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at net.minecraft.server.v1_9_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.7.0_80]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.7.0_80]
        at net.minecraft.server.v1_9_R1.SystemUtils.a(SourceFile:45) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:721) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:400) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:660) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:559) [spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        at java.lang.Thread.run(Unknown Source) [?:1.7.0_80]
Caused by: java.lang.NoSuchMethodError: org.bukkit.entity.HumanEntity.getMainHand()Lorg/bukkit/inventory/MainHand;
        at com.elmakers.mine.bukkit.magic.Mage.getWandLocation(Mage.java:1070) ~[?:?]
        at com.elmakers.mine.bukkit.spell.BaseSpell.getWandLocation(BaseSpell.java:548) ~[?:?]
        at com.elmakers.mine.bukkit.action.CastContext.getWandLocation(CastContext.java:170) ~[?:?]
        at com.elmakers.mine.bukkit.action.builtin.CustomProjectileAction.step(CustomProjectileAction.java:370) ~[?:?]
        at com.elmakers.mine.bukkit.action.CompoundAction.perform(CompoundAction.java:86) ~[?:?]
        at com.elmakers.mine.bukkit.action.ActionContext.perform(ActionContext.java:38) ~[?:?]
        at com.elmakers.mine.bukkit.action.ActionHandler.perform(ActionHandler.java:237) ~[?:?]
        at com.elmakers.mine.bukkit.action.ActionHandler.start(ActionHandler.java:178) ~[?:?]
        at com.elmakers.mine.bukkit.spell.ActionSpell.onCast(ActionSpell.java:123) ~[?:?]
        at com.elmakers.mine.bukkit.spell.BaseSpell.finalizeCast(BaseSpell.java:1232) ~[?:?]
        at com.elmakers.mine.bukkit.spell.BaseSpell.cast(BaseSpell.java:1117) ~[?:?]
        at com.elmakers.mine.bukkit.spell.BaseSpell.cast(BaseSpell.java:938) ~[?:?]
        at com.elmakers.mine.bukkit.spell.BaseSpell.cast(BaseSpell.java:1700) ~[?:?]
        at com.elmakers.mine.bukkit.wand.Wand.cast(Wand.java:3683) ~[?:?]
        at com.elmakers.mine.bukkit.wand.Wand.cast(Wand.java:3665) ~[?:?]
        at com.elmakers.mine.bukkit.magic.listener.EntityController.onEntityPreDamageByEntity(EntityController.java:194) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_80]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_80]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_80]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_80]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot-1.9.jar:git-Spigot-1a196e1-6f032cd]
        ... 24 more