2011-12-20 00:04:50 [SEVERE] java.util.zip.ZipException: invalid distance too far back
2011-12-20 00:04:50 [SEVERE] 	at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:164)
2011-12-20 00:04:50 [SEVERE] 	at java.util.zip.GZIPInputStream.read(GZIPInputStream.java:116)
2011-12-20 00:04:50 [SEVERE] 	at java.io.BufferedInputStream.read1(BufferedInputStream.java:273)
2011-12-20 00:04:50 [SEVERE] 	at java.io.BufferedInputStream.read(BufferedInputStream.java:334)
2011-12-20 00:04:50 [SEVERE] 	at java.io.DataInputStream.readFully(DataInputStream.java:195)
2011-12-20 00:04:50 [SEVERE] 	at java.io.DataInputStream.readFully(DataInputStream.java:169)
2011-12-20 00:04:50 [SEVERE] 	at net.minecraft.server.NBTTagByteArray.load(SourceFile:25)
2011-12-20 00:04:50 [SEVERE] 	at net.minecraft.server.NBTBase.b(SourceFile:95)
2011-12-20 00:04:50 [SEVERE] 	at net.minecraft.server.NBTTagCompound.load(SourceFile:27)
2011-12-20 00:04:50 [SEVERE] 	at net.minecraft.server.NBTBase.b(SourceFile:95)
2011-12-20 00:04:50 [SEVERE] 	at net.minecraft.server.NBTTagCompound.load(SourceFile:27)
2011-12-20 00:04:50 [SEVERE] 	at net.minecraft.server.NBTBase.b(SourceFile:95)
2011-12-20 00:04:50 [SEVERE] 	at net.minecraft.server.NBTCompressedStreamTools.a(SourceFile:75)
2011-12-20 00:04:50 [SEVERE] 	at net.minecraft.server.NBTCompressedStreamTools.a(SourceFile:11)
2011-12-20 00:04:50 [SEVERE] 	at lishid.orebfuscator.utils.OrbfuscatedChunkCache.Read(OrbfuscatedChunkCache.java:30)
2011-12-20 00:04:50 [SEVERE] 	at lishid.orebfuscator.utils.Calculations.Obfuscate(Calculations.java:248)
2011-12-20 00:04:50 [SEVERE] 	at lishid.orebfuscator.utils.Calculations.Obfuscate(Calculations.java:185)
2011-12-20 00:04:50 [SEVERE] 	at lishid.orebfuscator.utils.OrebfuscatorCalculationThread.handle(OrebfuscatorCalculationThread.java:62)
2011-12-20 00:04:50 [SEVERE] 	at lishid.orebfuscator.utils.OrebfuscatorCalculationThread.run(OrebfuscatorCalculationThread.java:54)