Yeah, just downloaded the latest version of IC2 (industrialcraft-2-client_1.81.jar), but after I put it in the 'mods' folder minecraft crashed when loading, giving me this message (yes, I've got all the latest modloaders, etc.):
Mods loaded: 17
ModLoader 1.2.3
mod_MinecraftForge 1.4.0.55
mod_ModLoaderMp 1.2.3v3
mod_BuildCraftCore 2.2.13
mod_BuildCraftBuilders 2.2.13
mod_BuildCraftEnergy 2.2.13
mod_BuildCraftFactory 2.2.13
mod_BuildCraftTransport 2.2.13
mod_EE 1.4.1.2
mod_IC2 v1.81
mod_RedPowerArray 2.0pr4e
mod_RedPowerCore 2.0pr4e
mod_RedPowerLighting 2.0pr4e
mod_RedPowerLogic 2.0pr4e
mod_RedPowerMachine 2.0pr4e
mod_RedPowerWiring 2.0pr4e
mod_RedPowerWorld 2.0pr4e
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem.
--- BEGIN ERROR REPORT 33904a1f --------
Generated 22/03/12 23:58
Minecraft: Minecraft 1.2.3
OS: Windows XP (x86) version 5.1
Java: 1.6.0_24, Sun Microsystems Inc.
VM: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: GeForce 9600 GT/PCI/SSE2 version 3.0.0, NVIDIA Corporation
java.lang.RuntimeException: RedPowerCore: BlockID 250 occupied by ic2.common.BlockMachine, autoAssign is disabled.
at forge.MinecraftForge.killMinecraft(MinecraftForge.java:422)
at eloraam.core.Config.getBlockID(Config.java:114)
at RedPowerMachine.initialize(RedPowerMachine.java:136)
at mod_RedPowerMachine.initialize(mod_RedPowerMachine.java:61)
at mod_RedPowerMachine.modsLoaded(mod_RedPowerMachine.java:28)
at ModLoader.init(ModLoader.java:898)
at ModLoader.addAllRenderers(ModLoader.java:186)
at aho.(aho.java:79)
at aho.(aho.java:9)
at net.minecraft.client.Minecraft.a(Minecraft.java:395)
at net.minecraft.client.Minecraft.run(Minecraft.java:732)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 5dc96c31 ----------
Any Ideas?
</init>
Note:</init>
I have buildcraft, redpower and equivilent exchange installed (all for 1.2.3), but they're not causing the crash.</init>
I have not updated minecraft to 1.2.4 (still 1.2.3).