ServerProblem

---- Minecraft Crash Report ----
// Shall we play a game?

Time: 27.11.12 15:41
Description: Exception in server tick loop

java.lang.NullPointerException
	at forestry.core.genetics.Chromosome.writeToNBT(Chromosome.java:50)
	at forestry.core.genetics.Genome.writeToNBT(Genome.java:57)
	at forestry.apiculture.genetics.Bee.writeToNBT(Bee.java:115)
	at forestry.apiculture.BeekeepingLogic.tickBreed(BeekeepingLogic.java:220)
	at forestry.apiculture.BeekeepingLogic.update(BeekeepingLogic.java:127)
	at forestry.apiculture.gadgets.MachineApiary.updateServerSide(MachineApiary.java:159)
	at forestry.core.gadgets.TileMachine.g(TileMachine.java:175)
	at xe.h(World.java:2020)
	at ie.h(WorldServer.java:463)
	at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:649)
	at hg.r(DedicatedServer.java:241)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:585)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:492)
	at fp.run(SourceFile:818)

Relevant Details:
- Minecraft Version: 1.4.2
- Operating System: Windows 7 (amd64) version 6.1
- Java Version: 1.7.0_07, Oracle Corporation
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
- Memory: 1969052600 bytes (1877 MB) / 2147155968 bytes (2047 MB) up to 2147155968 bytes (2047 MB)
- JVM Flags: 2 total; -Xms2048M -Xmx2048M
- AABB Pool Size: 4460 (249760 bytes; 0 MB) allocated, 4156 (232736 bytes; 0 MB) used
- FML: ~ERROR~ NullPointerException: null
- Is Modded: Definitely; 'forge,fml'
- Profiler Position: N/A (disabled)
- Vec3 Pool Size: 1660 (92960 bytes; 0 MB) allocated, 1100 (61600 bytes; 0 MB) used
- Player Count: 1 / 20; [ih['zainths'/52, l='world', x=514,97, y=74,00, z=-169,27]]
- World world Entities: 0 total; []
- World world Players: 0 total; []
- World world Chunk Stats: ServerChunkCache: 0 Drop: 0
- Type: Dedicated Server