Mc 1.2.3 crachs whit Railcraft help

Mods loaded: 24
ModLoader 1.2.3
mod_ModLoaderMp 1.2.3v3
mod_MinecraftForge 1.4.0.57
mod_NotEnoughItems 1.2.0
mod_BuildCraftCore 3.1.4
mod_BuildCraftBuilders 3.1.4
mod_BuildCraftEnergy 3.1.4
mod_BuildCraftFactory 3.1.4
mod_BuildCraftTransport 3.1.4
mod_BuildCraftSilicon 3.1.4
mod_zAdditionalPipes 3.0.1 (Minecraft 1.2.3, Buildcraft 3.1.4, Forge 1.4.1.59)
mod_CCTurtle 1.31
mod_ComputerCraft 1.31
mod_ccSensors 0.1_MC1.1.0
mod_IC2 v1.81
mod_BCIC2Crossover IBv0.07 for MC 1.2.3, BC 3.1.4, IC2 1.81
mod_zAdvancedSolarPanel v2.1.0
mod_Railcraft 4.1.4
mod_RedPowerCore 2.0pr4e
mod_RedPowerLighting 2.0pr4e
mod_RedPowerLogic 2.0pr4e
mod_RedPowerWiring 2.0pr4e
mod_Timber 1.2.3
mod_WirelessRedstone 1.5

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem.

--- BEGIN ERROR REPORT 2edae264 --------
Generated 01.04.12 23:41

Minecraft: Minecraft 1.2.3
OS: Windows 7 (amd64) version 6.1
Java: 1.6.0_27, Sun Microsystems Inc.
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: GeForce GT 430/PCI/SSE2 version 4.2.0, NVIDIA Corporation

java.lang.NoClassDefFoundError: forge/IItemRenderer
at railcraft.common.modules.RailcraftModuleManager.loadModules(RailcraftModuleManager.java:41)
at mod_Railcraft.load(mod_Railcraft.java:58)
at ModLoader.init(ModLoader.java:890)
at ModLoader.addAllRenderers(ModLoader.java:186)
at aho.<init>(aho.java:79)
at aho.<clinit>(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.IItemRenderer
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)
... 9 more
--- END ERROR REPORT 9e825ebe ----------