---- Minecraft Crash Report ----
// I'm sorry, Dave.

Time: 1/1/14 7:43 PM
Description: Exception in server tick loop

java.lang.RuntimeException: Already decorating!!
	at net.minecraft.world.biome.BiomeDecorator.func_76796_a(BiomeDecorator.java:188)
	at net.minecraft.world.biome.BiomeGenBase.func_76728_a(BiomeGenBase.java:371)
	at net.minecraft.world.gen.ChunkProviderGenerate.func_73153_a(ChunkProviderGenerate.java:573)
	at org.bukkit.craftbukkit.v1_6_R3.generator.NormalChunkGenerator.func_73153_a(NormalChunkGenerator.java:59)
	at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:381)
	at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1343)
	at org.bukkit.craftbukkit.v1_6_R3.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:65)
	at org.bukkit.craftbukkit.v1_6_R3.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:15)
	at org.bukkit.craftbukkit.v1_6_R3.util.AsynchronousExecutor$Task.finish(AsynchronousExecutor.java:179)
	at org.bukkit.craftbukkit.v1_6_R3.util.AsynchronousExecutor.finishActive(AsynchronousExecutor.java:287)
	at org.bukkit.craftbukkit.v1_6_R3.chunkio.ChunkIOExecutor.tick(ChunkIOExecutor.java:26)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:836)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:330)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:781)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:663)
	at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 1.6.4
	Operating System: Linux (amd64) version 2.6.32-358.14.1.el6.x86_64
	Java Version: 1.7.0_45, Oracle Corporation
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 4109828456 bytes (3919 MB) / 8246394880 bytes (7864 MB) up to 13400342528 bytes (12779 MB)
	JVM Flags: 38 total; -Xms8192M -Xmx13312M -XX:PermSize=512m -XX:ReservedCodeCacheSize=512m -XX:NewRatio=4 -XX:SurvivorRatio=3 -XX:TargetSurvivorRatio=80 -XX:MaxTenuringThreshold=8 -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:SoftRefLRUPolicyMSPerMB=0 -XX:MaxGCPauseMillis=20 -XX:GCPauseIntervalMillis=250 -XX:MaxGCMinorPauseMillis=7 -XX:+CMSClassUnloadingEnabled -XX:+ExplicitGCInvokesConcurrentAndUnloadsClasses -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=50 -XX:+BindGCTaskThreadsToCPUs -XX:+TieredCompilation -XX:Tier0ProfilingStartPercentage=0 -XX:Tier3InvocationThreshold=3 -XX:Tier3MinInvocationThreshold=2 -XX:Tier3CompileThreshold=2 -XX:Tier3BackEdgeThreshold=10 -XX:Tier4InvocationThreshold=4 -XX:Tier4MinInvocationThreshold=3 -XX:Tier4CompileThreshold=2 -XX:Tier4BackEdgeThreshold=8 -XX:TieredCompileTaskTimeout=5000 -XX:Tier3DelayOn=50 -XX:Tier3DelayOff=25 -XX:+UseFastEmptyMethods -XX:-DontCompileHugeMethods -XX:+AlwaysCompileLoopMethods -XX:+CICompilerCountPerCPU -XX:+UseStringCache -XX:+UseNUMA
	AABB Pool Size: 56127 (3143112 bytes; 2 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: FML and Forge are installed
	IntCache: cache: 0, tcache: 0, allocated: 6, tallocated: 62