I've gotten a very weird error report which my common sense cannot identify as a known one in my brain library.
Here you go
Mods loaded: 23
ModLoader 1.2.3
mod_4096IDs version 1.0.1 for MC 1.2.3
mod_GuiApiBasicExample 1.1
mod_GuiApiIntermediateExample 1.0
mod_GuiApiItemTickExample 1.0
mod_GuiApiTWLExamples 1.0
mod_MinecraftForge 1.4.1.58
mod_ModLoaderMp 1.2.3v3
mod_BuildCraftCore 3.1.4
mod_BuildCraftBuilders 3.1.4
mod_BuildCraftEnergy 3.1.4
mod_BuildCraftFactory 3.1.4
mod_Forestry 1.4.0.4
mod_IC2 v1.81
mod_IronChest 3.1
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
mod_IDResolver 1.2.3 - Update 0
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem.
--- BEGIN ERROR REPORT be8d356e --------
Generated 01/04/12 19:06
Minecraft: Minecraft 1.2.3
OS: Windows 7 (x86) version 6.1
Java: 1.7.0_03, Oracle Corporation
VM: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: Intel(R) HD Graphics version 2.1.0 - Build 8.15.10.2622, Intel
java.lang.NoClassDefFoundError: forge/ICustomItemRenderer
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at ModLoader.isModLoaded(ModLoader.java:988)
at forestry.plugins.PluginBuildCraft.isAvailable(PluginBuildCraft.java:65)
at forestry.ForestryCore.ModsLoaded(ForestryCore.java:218)
at forestry.ForestryClient.modsLoaded(ForestryClient.java:159)
at mod_Forestry.modsLoaded(mod_Forestry.java:32)
at ModLoader.init(ModLoader.java:865)
at ModLoader.addAllRenderers(ModLoader.java:154)
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)
Caused by: java.lang.ClassNotFoundException: forge.ICustomItemRenderer
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 25 more
--- END ERROR REPORT 687c3e97 ----------
I'm indeed sorry for not recognizing this, but I'm no good javaist! </init>