Ok guys so I need some help, I just got a new mac book for my up coming school year and I'm trying to install my tekkit again so i can join the server again. everything goes smoothly until i add in forestry and try to launch, it gives me an item id error that looks like this
--- BEGIN ERROR REPORT 7f2ed67c --------
Generated 8/12/12 4:29 PM
Minecraft: Minecraft 1.2.5
OS: Mac OS X (x86_64) version 10.8
Java: 1.6.0_33, Apple Inc.
VM: Java HotSpot 64-Bit Server VM (mixed mode), Apple Inc.
LWJGL: 2.4.2
OpenGL: NVIDIA GeForce GT 650M OpenGL Engine version 2.1 NVIDIA-8.0.51, NVIDIA Corporation
java.lang.IllegalArgumentException: Slot 4095 is already occupied by forestry.core.gadgets.BlockMill@7c564448 when adding immibis.chunkloader.BlockChunkLoader@39d12be
at pb.<init>(Block.java:251)
at agy.<init>(BlockContainer.java:7)
at immibis.core.BlockCombined.<init>(BlockCombined.java:35)
at immibis.chunkloader.BlockChunkLoader.<init>(BlockChunkLoader.java:12)
at immibis.chunkloader.Main$1.registerBlock(Main.java:107)
at immibis.core.CoreProxy.RegisterBlockID(CoreProxy.java:31)
at immibis.chunkloader.Main.load(Main.java:104)
at cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:356)
at cpw.mods.fml.common.Loader.modInit(Loader.java:273)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:628)
at cpw.mods.fml.client.FMLClientHandler.onLoadComplete(FMLClientHandler.java:223)
at net.minecraft.client.Minecraft.a(Minecraft.java:429)
at net.minecraft.client.Minecraft.run(Minecraft.java:738)
at java.lang.Thread.run(Thread.java:680)
--- END ERROR REPORT 3268c ----------
If anyone could help me out that would be UNREAL just reply or message me or what ever, modding on the mac is new to me and i dont know all its ins and outs just yet anyways thanks guys!!
-Aoenian