01:41:25 [SEVERE] Could not pass event PLAYER_INTERACT to WorldGuard
java.lang.NullPointerException
        at com.sk89q.worldguard.bukkit.WorldGuardPlayerListener.handleBlockRightClick(WorldGuardPlayerListener.java:632)

        at com.sk89q.worldguard.bukkit.WorldGuardPlayerListener.onPlayerInteract(WorldGuardPlayerListener.java:262)
        at org.bukkit.plugin.java.JavaPluginLoader$11.execute(JavaPluginLoader.java:330)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:58)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:339)
        at org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:171)
        at net.minecraft.server.ItemInWorldManager.interact(ItemInWorldManager.java:266)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:592)
        at net.minecraft.server.Packet15Place.a(SourceFile:39)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:92)
        at net.minecraft.server.NetworkListenThread.a(SourceFile:108)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:516)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
01:41:26 [SEVERE] java.lang.NoSuchMethodError: net.minecraft.server.EntityFallingSand.<init>(Lnet/minecraft/server/World
;DDDI)V
01:41:26 [SEVERE]       at net.minecraft.server.BlockDragonEgg.g(SourceFile:41)
01:41:26 [SEVERE]       at net.minecraft.server.BlockDragonEgg.a(SourceFile:24)
01:41:26 [SEVERE]       at net.minecraft.server.World.a(World.java:2315)
01:41:26 [SEVERE]       at net.minecraft.server.World.doTick(World.java:1738)
01:41:26 [SEVERE]       at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:503)
01:41:26 [SEVERE]       at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414)
01:41:26 [SEVERE]       at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
01:41:26 [SEVERE] Unexpected exception
java.lang.NoSuchMethodError: net.minecraft.server.EntityFallingSand.<init>(Lnet/minecraft/server/World;DDDI)V
        at net.minecraft.server.BlockDragonEgg.g(SourceFile:41)
        at net.minecraft.server.BlockDragonEgg.a(SourceFile:24)
        at net.minecraft.server.World.a(World.java:2315)
        at net.minecraft.server.World.doTick(World.java:1738)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:503)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)