Worldguard Issue

00:36:36 [SEVERE] Could not pass event EntityChangeBlockEvent to WorldGuard v5.6.5
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_6.event.CraftEventFactory.callEntityChangeBlockEvent(CraftEventFactory.java:459)
        at org.bukkit.craftbukkit.v1_4_6.event.CraftEventFactory.callEntityChangeBlockEvent(CraftEventFactory.java:443)
        at net.minecraft.server.v1_4_6.PathfinderGoalEatTile.e(PathfinderGoalEatTile.java:67)
        at net.minecraft.server.v1_4_6.PathfinderGoalSelector.a(PathfinderGoalSelector.java:104)
        at net.minecraft.server.v1_4_6.EntityLiving.bl(EntityLiving.java:1476)
        at net.minecraft.server.v1_4_6.EntitySheep.bl(EntitySheep.java:44)
        at net.minecraft.server.v1_4_6.EntityLiving.c(EntityLiving.java:1273)
        at net.minecraft.server.v1_4_6.EntityAgeable.c(EntityAgeable.java:64)
        at net.minecraft.server.v1_4_6.EntityAnimal.c(SourceFile:33)
        at net.minecraft.server.v1_4_6.EntitySheep.c(EntitySheep.java:52)
        at net.minecraft.server.v1_4_6.EntityLiving.j_(EntityLiving.java:534)
        at net.minecraft.server.v1_4_6.World.entityJoinedWorld(World.java:1334)
        at net.minecraft.server.v1_4_6.WorldServer.entityJoinedWorld(WorldServer.java:548)
        at net.minecraft.server.v1_4_6.World.playerJoinedWorld(World.java:1315)
        at net.minecraft.server.v1_4_6.World.tickEntities(World.java:1193)
        at net.minecraft.server.v1_4_6.WorldServer.tickEntities(WorldServer.java:445)
        at net.minecraft.server.v1_4_6.MinecraftServer.r(MinecraftServer.java:580)
        at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:224)
        at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:494)
        at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:427)
        at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.NoSuchMethodError: org.bukkit.event.entity.EntityChangeBlockEvent.getEntity()Lorg/bukkit/entity/LivingEntity;
        at com.sk89q.worldguard.bukkit.WorldGuardEntityListener.onEndermanPickup(WorldGuardEntityListener.java:733)
        at sun.reflect.GeneratedMethodAccessor25.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)
        ... 24 more
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