Hey Guys!
I've found an Bug with Forge version 10.12.0.976. When i set it up in Eclipse, start the Launcher and want to enter a world, it crashes and throws this Error:
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.minecraftforge.common.ChestGenHooks.getItems(ChestGenHooks.java:137)
at net.minecraft.world.gen.feature.WorldGenDungeons.generate(WorldGenDungeons.java:133)
at net.minecraft.world.gen.ChunkProviderGenerate.populate(ChunkProviderGenerate.java:432)
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)
I hope that would help