It says it doesn't know what's wrong but paste the full report in here.
Hello there. I have same problem on running IC2 on MC 1.1 with ModLoader 1.1, ModloaderMP 1.1 v2.1 and MCForge 1.3.4(build 29).
The game crashes with these log:
Mods loaded: 4
ModLoader 1.1
mod_ModLoaderMp 1.1
mod_MinecraftForge 1.3.4.29
mod_IC2 v1.71
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 991a3f4 --------
Generated 14.03.12 1:04
Minecraft: Minecraft 1.1
OS: Linux (amd64) version 3.2.9-1-ARCH
Java: 1.6.0_31, Sun Microsystems Inc.
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: GeForce GT 520M/PCIe/SSE2 version 2.1.2 NVIDIA 295.20, NVIDIA Corporation
java.lang.NoClassDefFoundError: forge/IUseItemFirst
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at mod_IC2.initialize(mod_IC2.java:306)
at ic2.platform.Ic2.load(Ic2.java:65)
at ModLoader.init(ModLoader.java:824)
at ModLoader.AddAllRenderers(ModLoader.java:189)
at afq.(afq.java:80)
at afq.(afq.java:9)
at net.minecraft.client.Minecraft.a(Minecraft.java:316)
at net.minecraft.client.Minecraft.run(Minecraft.java:620)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.ClassNotFoundException: forge.IUseItemFirst
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 20 more
--- END ERROR REPORT 5bf74bf ----------
I use linux(log have this record, i guess), there is console log:
27 achievements
174 recipes
Setting user: Trollstation, -4486028039387065248
Error: API mismatch: the NVIDIA kernel module has version 295.20,
but this NVIDIA driver component has version 285.05.09. Please make
sure that the kernel module and all NVIDIA driver components
have the same version.
ModLoader 1.1 Initializing...
Mod Initialized: mod_ModLoaderMp 1.1
Mod Initialized: mod_MinecraftForge 1.3.4.29
MinecraftForge v1.3.4.29 Initialized
14.03.2012 1:04:22 forge.ForgeHooks
INFO: MinecraftForge v1.3.4.29 Initialized
Mod Initialized: mod_IC2 v1.71
Mod Loaded: mod_ModLoaderMp 1.1
Mod Loaded: mod_MinecraftForge 1.3.4.29
[IC2] Config loaded from /home/troll/.minecraft/config/IC2.cfg
[IC2] Using 32 audio sources.
Exception in thread "Minecraft main thread" java.lang.ExceptionInInitializerError
at net.minecraft.client.Minecraft.a(Minecraft.java:316)
at net.minecraft.client.Minecraft.run(Minecraft.java:620)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.RuntimeException: java.lang.NoClassDefFoundError: forge/IUseItemFirst
at ModLoader.init(ModLoader.java:851)
at ModLoader.AddAllRenderers(ModLoader.java:189)
at afq.(afq.java:80)
at afq.(afq.java:9)
... 3 more
Caused by: java.lang.NoClassDefFoundError: forge/IUseItemFirst
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at mod_IC2.initialize(mod_IC2.java:306)
at ic2.platform.Ic2.load(Ic2.java:65)
at ModLoader.init(ModLoader.java:824)
... 6 more
Caused by: java.lang.ClassNotFoundException: forge.IUseItemFirst
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 20 more
Exuse me, I not used the BB-code, because line-breakers in logs been lost O_o
I'm ssory for bad english. I hope, sir developer understands me :3
The latest version of IC2, which I got to run - 1.62 on MC v1.1, ModLoader v1.1, ModLoaderMP v1.1 v2, MCForge v1.3.1(if this information helps :3)
That's all. I'm waiting for answer.