Spout/Orebfuscator error_2

2012-09-08 21:19:44 [WARNING] Failed to handle packet: java.lang.ClassCastException: org.bukkit.craftbukkit.block.CraftBlock cannot be cast to org.getspout.spoutapi.block.SpoutBlock
java.lang.ClassCastException: org.bukkit.craftbukkit.block.CraftBlock cannot be cast to org.getspout.spoutapi.block.SpoutBlock
	at org.getspout.spout.block.mcblock.CustomBlock.getDamage(CustomBlock.java:266)
	at net.minecraft.server.ItemInWorldManager.dig(ItemInWorldManager.java:155)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:546)
	at org.getspout.spout.SpoutNetServerHandler.a(SpoutNetServerHandler.java:133)
	at net.minecraft.server.Packet14BlockDig.handle(SourceFile:46)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:276)
	at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:109)
	at org.getspout.spout.SpoutNetServerHandler.d(SpoutNetServerHandler.java:173)
	at net.minecraft.server.ServerConnection.b(SourceFile:35)
	at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:581)
	at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
	at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)