I'm creating a modded client for myself.
I've added 20 mods and Minecraft starts with no problem.
The problem appears when I add Forestry, Minecraft crashes.
The error itself seems to be related to IC² and it's BlockCrop.class.
Here is a crash log:
Mods loaded: 21
ModLoader 1.1
mod_ModLoaderMp 1.0.0
mod_MinecraftForge 1.3.3.12
mod_BuildCraftCore 2.2.12
mod_BuildCraftBuilders 2.2.12
mod_BuildCraftEnergy 2.2.12
mod_BuildCraftFactory 2.2.12
mod_BuildCraftTransport 2.2.12
mod_zAdditionalPipes Rev32.3
mod_ComputerCraft 1.21
mod_Forestry 1.2.6.5
mod_IC2 v1.70
mod_BCIC2Crossover 1.24 for MC 1.1, BC 2.2.12, IC2 1.70
mod_IC2AdvancedMachines v3.2
mod_RedPowerArray 2.0pr4d
mod_RedPowerCore 2.0pr4d
mod_RedPowerLighting 2.0pr4d
mod_RedPowerLogic 2.0pr4d
mod_RedPowerMachine 2.0pr4d
mod_RedPowerWiring 2.0pr4d
mod_RedPowerWorld 2.0pr4d
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem.
If you wish to report this, please copy this entire text and email it to support@mojang.com.
Please include a description of what you did when the error occured.
--- BEGIN ERROR REPORT fd6d6ef9 --------
Generated 20.02.12. 06:45
Minecraft: Minecraft 1.1
OS: Windows 7 (amd64) version 6.1
Java: 1.7.0_01, Oracle Corporation
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
LWJGL: 2.8.3
OpenGL: Quadro NVS 150M/PCI/SSE2 version 3.2.0, NVIDIA Corporation
java.lang.VerifyError: (class: ic2/common/BlockCrop, method: q_ signature: ()Lkf;) Wrong return type in function
at mod_IC2.initialize(mod_IC2.java:266)
at ic2.platform.Ic2.load(Ic2.java:65)
at ModLoader.init(ModLoader.java:824)
at ModLoader.AddAllRenderers(ModLoader.java:189)
at afq.<init>(afq.java:80)
at afq.<clinit>(afq.java:9)
at net.minecraft.client.Minecraft.a(SourceFile:265)
at net.minecraft.client.Minecraft.run(SourceFile:648)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT afd7b172 ----------
Any kind of help is appreciated.