---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 30/05/13 20:21
Description: Ticking memory connection

java.lang.NullPointerException
	at net.minecraft.world.World.func_72825_h(World.java:2002)
	at mods.railcraft.common.worldgen.SaltpeterGenerator.generate(SaltpeterGenerator.java:37)
	at net.minecraftforge.event.ASMEventHandler_182_SaltpeterGenerator_generate_Post.invoke(.dynamic)
	at net.minecraftforge.event.ASMEventHandler.invoke(ASMEventHandler.java:35)
	at net.minecraftforge.event.EventBus.post(EventBus.java:103)
	at biomesoplenty.biomes.BiomeDecoratorBOP.func_76797_b(BiomeDecoratorBOP.java:1374)
	at biomesoplenty.biomes.BiomeDecoratorBOP.func_76794_a(BiomeDecoratorBOP.java:555)
	at biomesoplenty.biomes.BiomeDecoratorBOP.func_76796_a(BiomeDecoratorBOP.java:535)
	at net.minecraft.world.biome.BiomeGenBase.func_76728_a(BiomeGenBase.java:366)
	at net.minecraft.world.gen.ChunkProviderGenerate.func_73153_a(ChunkProviderGenerate.java:577)
	at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:258)
	at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1239)
	at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:153)
	at net.minecraft.server.management.PlayerInstance.<init>(PlayerInstance.java:36)
	at net.minecraft.server.management.PlayerManager.func_72690_a(SourceFile:172)
	at net.minecraft.server.management.PlayerManager.func_72685_d(SourceFile:300)
	at net.minecraft.server.management.ServerConfigurationManager.func_72358_d(ServerConfigurationManager.java:276)
	at net.minecraft.network.NetServerHandler.func_72498_a(NetServerHandler.java:408)
	at net.minecraft.network.packet.Packet10Flying.func_73279_a(SourceFile:136)
	at net.minecraft.network.MemoryConnection.func_74428_b(MemoryConnection.java:89)
	at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:134)
	at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:53)
	at net.minecraft.server.integrated.IntegratedServerListenThread.func_71747_b(IntegratedServerListenThread.java:109)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:675)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:571)
	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:127)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:469)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)


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

-- System Details --
Details:
	Minecraft Version: 1.5.2
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_21, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1379654944 bytes (1315 MB) / 2734358528 bytes (2607 MB) up to 3817799680 bytes (3640 MB)
	JVM Flags: 4 total; -XX:PermSize=128m -XX:MaxPermSize=512m -Xms2048m -Xmx4096m
	AABB Pool Size: 7072 (396032 bytes; 0 MB) allocated, 4645 (260120 bytes; 0 MB) used
	Suspicious classes: FML and Forge are installed
	IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
	FML: MCP v7.51 FML v5.2.17.715 Minecraft Forge 7.8.0.715 59 mods loaded, 59 mods active
	mcp{7.44} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	FML{5.2.17.715} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Forge{7.8.0.715} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	CodeChickenCore{0.8.6.9} [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	CoFHCore{1.5.2.2} [CoFH Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	NotEnoughItems{1.5.2.16} [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	mod_bspkrsCore{v2.06(1.5.2)} [bspkrsCore] ([1.5.2]bspkrsCorev2.06.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	TreeCapitator{Forge 1.5.2.r01} [TreeCapitator] ([1.5.2]TreeCapitator.Forge.1.5.2.r01.Uni.CoreMod.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	CoFHNetwork{1.5.2.2} [CoFHNetwork] (CoFHCore-1.5.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	CoFHWorld{1.5.2.2} [CoFHWorld] (CoFHCore-1.5.2.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	bau5_ProjectBench{1.7.4} [Project Bench] ([1.5.2]ProjectBench-v1.7.5.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BuildCraft|Core{3.5.3} [BuildCraft] (buildcraft-A-3.5.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BuildCraft|Factory{3.5.3} [BC Factory] (buildcraft-A-3.5.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BuildCraft|Transport{3.5.3} [BC Transport] (buildcraft-A-3.5.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BuildCraft|Silicon{3.5.3} [BC Silicon] (buildcraft-A-3.5.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	APUnofficial{2.3.0} [Additional Pipes] (AdditionalPipes2.3.0-BC3.5.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	ThermalExpansion{2.4.3.0} [Thermal Expansion] (ThermalExpansion-2.4.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	IC2{1.115.338-lf} [IndustrialCraft 2] (industrialcraft-2_1.115.338-lf.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	AdvancedMachines{4.9} [IC2 Advanced Machines Addon] (AdvancedMachines_1.5.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	AppliedEnergistics{rv.10.n} [Applied Energistics] (appeng-rv10-n.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BiblioCraft{1.2.3} [BiblioCraft] (BiblioCraft[v1.2.3].zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BiomesOPlenty{0.5.3} [Biomes O' Plenty] (Biomes-O-Plenty-0.5.3.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BuildCraft|Builders{3.5.3} [BC Builders] (buildcraft-A-3.5.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	BuildCraft|Energy{3.5.3} [BC Energy] (buildcraft-A-3.5.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Additional-Buildcraft-Objects{1.0.4.150} [Additional Buildcraft Objects] (buildcraft-Z-additional-buildcraft-objects-1.0.4.150.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	ChickenChunks{1.3.2.9} [ChickenChunks] (ChickenChunks 1.3.2.9.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	CompactSolars{4.1.6.37} [Compact Solar Arrays] (compactsolars-universal-1.5.1-4.1.6.37.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	ComputerCraft{1.53} [ComputerCraft] (ComputerCraft1.53.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	CCTurtle{1.53} [ComputerCraft Turtles] (ComputerCraft1.53.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	EE3{pre1h (build 16)} [Equivalent Exchange 3] (ee3-universal-pre1h-16.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	eplus{1.14.6} [Enchanting Plus] (EnchantingPlus-1.14.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	EnderStorage{1.4.2.8} [EnderStorage] (EnderStorage 1.4.2.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	factorization{0.7.37} [Factorization] (Factorization-0.7.37.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	factorization.misc{0.7.37} [Factorization Miscellaneous Nonsense] (Factorization-0.7.37.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	factorization.dimensionalSlice{0.7.37} [Factorization Dimensional Slices] (Factorization-0.7.37.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Forestry{2.2.4.3} [Forestry for Minecraft] (forestry-A-2.2.4.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	iChunUtil{1.0.1} [iChunUtil] (iChunUtil1.0.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	GraviGun{1.5.1} [GraviGun] (GravityGun1.5.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	IC2NuclearControl{1.5.1c} [Nuclear Control] (IC2NuclearControl-1.5.1c.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	inventorytweaks{1.54b} [Inventory Tweaks] (InventoryTweaks-1.54b.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	IronChest{5.2.6.424} [Iron Chest] (ironchest-universal-1.5.2-5.2.6.424.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Thaumcraft{3.0.5e} [Thaumcraft] (Thaumcraft3.0.5e.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	LogisticsPipes|Main{0.7.3.2} [Logistics Pipes] (LogisticsPipes-MC1.5.2-0.7.3.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	AdvancedSolarPanel{3.3.7} [Advanced Solar Panels] (mod_AdvancedSolarPanels_3_3_7.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	GraviSuite{1.9.2} [Gravitation Suite] (mod_zGraviSuite_1_9_2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Natura{1.5.1_2.1.beta.4} [Natura] (Natura_2.1beta.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	NEIAddons{1.6.r10} [NEI Addons] (neiaddons-1.5.2-1.6.r10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	NEIAddons|AE{1.6.r10} [NEI Addons: Applied Energistics] (neiaddons-1.5.2-1.6.r10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	NEIAddons|CraftingTables{1.6.r10} [NEI Addons: Crafting Tables] (neiaddons-1.5.2-1.6.r10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	NEIAddons|ExtraBees{1.6.r10} [NEI Addons: Extra Bees] (neiaddons-1.5.2-1.6.r10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	NEIAddons|Forestry{1.6.r10} [NEI Addons: Forestry] (neiaddons-1.5.2-1.6.r10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	NEIPlugins{1.0.9.1} [NEI Plugins] (NEIPlugins-1.0.9.1a.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	PortalGun{1.5.2} [PortalGun] (PortalGun1.5.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Railcraft{7.1.0.0} [Railcraft] (Railcraft_1.5.1-7.1.0.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	StevesCarts{2.0.0.a117} [Steve's Carts] (StevesCarts2.0.0.a117.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	TConstruct{1.5.1_1.3.dev.46} [Tinkers' Construct] (TConstruct_1.3.dev.46.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	TwilightForest{1.18.1} [The Twilight Forest] (twilightforest-1.18.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	xact{0.3.4} [XACT Mod] (XACT v0.3.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	mod_ZanMinimap{0.9.4} [mod_ZanMinimap] (ZansMinimap1.5.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 4653 (260568 bytes; 0 MB) allocated, 3525 (197400 bytes; 0 MB) used
	Player Count: 1 / 8; [EntityPlayerMP['skedone'/417, l='New World', x=976.35, y=75.42, z=783.87]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Definitely; Client brand changed to 'fml,forge'