---- Minecraft Crash Report ----
// My bad.

Time: 12/28/13 10:21 PM
Description: Exception in server tick loop

java.lang.IllegalAccessError: tried to access field net.minecraft.util.WeightedRandom$Item.itemWeight from class net.minecraft.item.Item
	at net.minecraft.item.Item.getChestGenBase(Item.java:1045)
	at net.minecraftforge.common.ChestGenHooks.getItems(ChestGenHooks.java:209)
	at net.minecraft.world.gen.structure.StructureMineshaftPieces$Corridor.addComponentParts(StructureMineshaftPieces.java:678)
	at net.minecraft.world.gen.structure.StructureStart.generateStructure(StructureStart.java:46)
	at net.minecraft.world.gen.structure.MapGenStructure.generateStructuresInChunk(MapGenStructure.java:95)
	at net.minecraft.world.gen.ChunkProviderGenerate.populate(ChunkProviderGenerate.java:395)
	at net.minecraft.world.gen.ChunkProviderServer.populate(ChunkProviderServer.java:230)
	at net.minecraft.world.chunk.Chunk.populateChunk(Chunk.java:1089)
	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:136)
	at net.minecraft.server.MinecraftServer.initialWorldChunkLoad(MinecraftServer.java:289)
	at net.minecraft.server.integrated.IntegratedServer.loadAllWorlds(IntegratedServer.java:79)
	at net.minecraft.server.integrated.IntegratedServer.startServer(IntegratedServer.java:94)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:412)
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:705)


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

-- System Details --
Details:
	Minecraft Version: 1.7.2
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_17, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 215514400 bytes (205 MB) / 382795776 bytes (365 MB) up to 937689088 bytes (894 MB)
	JVM Flags: 0 total;
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	FML: MCP v9.01-pre FML v7.2.26.972 Minecraft Forge 10.12.0.972 4 mods loaded, 4 mods active
	mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
	FML{7.2.26.972} [Forge Mod Loader] (forge-1.7.2-10.12.0.972-mcp.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
	Forge{10.12.0.972} [Minecraft Forge] (forge-1.7.2-10.12.0.972-mcp.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
	examplemod{1.0} [Example Mod] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Player Count: 0 / 8; []
	Type: Integrated Server (map_client.txt)
	Is Modded: Definitely; Client brand changed to 'fml,forge'