McMMO error

11:05:12 [SEVERE] Could not pass event BlockDamageEvent to mcMMO
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:303)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:441)
        at org.bukkit.craftbukkit.event.CraftEventFactory.callBlockDamageEvent(C
raftEventFactory.java:204)
        at net.minecraft.server.ItemInWorldManager.dig(ItemInWorldManager.java:1
39)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:623)
        at net.minecraft.server.Packet14BlockDig.handle(SourceFile:43)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:116)
        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:7
8)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:554)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:452)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)
Caused by: java.lang.NoSuchMethodError: org.bukkit.event.block.BlockBreakEvent.<
init>(Lorg/bukkit/block/Block;Lorg/bukkit/entity/Player;Ljava/util/List;)V
        at com.gmail.nossr50.events.FakeBlockBreakEvent.<init>(FakeBlockBreakEve
nt.java:13)
        at com.gmail.nossr50.m.blockBreakSimulate(m.java:130)
        at com.gmail.nossr50.skills.Skills.triggerCheck(Skills.java:427)
        at com.gmail.nossr50.listeners.mcBlockListener.onBlockDamage(mcBlockList
ener.java:285)
        at sun.reflect.GeneratedMethodAccessor18.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.ja
va:301)
        ... 12 more
11:05:12 [SEVERE] Could not pass event BlockDamageEvent to mcMMO
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:303)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:441)
        at org.bukkit.craftbukkit.event.CraftEventFactory.callBlockDamageEvent(C
raftEventFactory.java:204)
        at net.minecraft.server.ItemInWorldManager.dig(ItemInWorldManager.java:1
39)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:623)
        at net.minecraft.server.Packet14BlockDig.handle(SourceFile:43)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:116)
        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:7
8)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:554)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:452)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)
Caused by: java.lang.NoSuchMethodError: org.bukkit.event.block.BlockBreakEvent.<
init>(Lorg/bukkit/block/Block;Lorg/bukkit/entity/Player;Ljava/util/List;)V
        at com.gmail.nossr50.events.FakeBlockBreakEvent.<init>(FakeBlockBreakEve
nt.java:13)
        at com.gmail.nossr50.m.blockBreakSimulate(m.java:130)
        at com.gmail.nossr50.skills.Skills.triggerCheck(Skills.java:427)
        at com.gmail.nossr50.listeners.mcBlockListener.onBlockDamage(mcBlockList
ener.java:285)
        at sun.reflect.GeneratedMethodAccessor18.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.ja
va:301)
        ... 12 more