Nolagg/Orebfuscator Error

2012-08-19 20:44:18 [SEVERE] [NoLagg Chunks] An error occured in Orebfuscator: support for this plugin had to be removed!
2012-08-19 20:44:18 [SEVERE] java.lang.NoSuchFieldError: chunks
2012-08-19 20:44:18 [SEVERE]    at com.lishid.orebfuscator.obfuscation.CalculationsUtil.isChunkLoaded(CalculationsUtil.java:40)
2012-08-19 20:44:18 [SEVERE]    at com.lishid.orebfuscator.obfuscation.Calculations.ComputeChunkInfoAndObfuscate(Calculations.java:148)
2012-08-19 20:44:18 [SEVERE]    at com.lishid.orebfuscator.obfuscation.Calculations.Obfuscate(Calculations.java:107)
2012-08-19 20:44:18 [SEVERE]    at com.bergerkiller.bukkit.nolagg.chunks.ChunkCompressionThread.getCompressedPacket(ChunkCompressionThread.java:237)
2012-08-19 20:44:18 [SEVERE]    at com.bergerkiller.bukkit.nolagg.chunks.ChunkCompressionThread.run(ChunkCompressionThread.java:274)
2012-08-19 20:44:18 [SEVERE]    at com.bergerkiller.bukkit.common.AsyncTask$1.run(AsyncTask.java:20)