Minecraft Error

Mods loaded: 12
ModLoader 1.2.5
mod_CodeChickenCore 0.5.3
mod_ModLoaderMp 1.2.5v1
mod_MinecraftForge 3.1.2.94
mod_NotEnoughItems 1.2.2.4
mod_RedPowerControl 2.0pr5b2
mod_RedPowerCore 2.0pr5b2
mod_RedPowerLighting 2.0pr5b2
mod_RedPowerLogic 2.0pr5b2
mod_RedPowerMachine 2.0pr5b2
mod_RedPowerWiring 2.0pr5b2
mod_RedPowerWorld 2.0pr5b2

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

Minecraft has stopped running because it encountered a problem.




--- BEGIN ERROR REPORT 736ef3a2 --------
Generated 10-06-12 01:31 PM

Minecraft: Minecraft 1.2.5
OS: Windows 7 (x86) version 6.1
Java: 1.7.0_06-ea, Oracle Corporation
VM: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: Royal BNA Driver version 2.1.0 - Build 8.15.10.2555, Intel

java.util.FormatFlagsConversionMismatchException: Conversion = s, Flags =
	at java.util.Formatter$FormatSpecifier.failMismatch(Unknown Source)
	at java.util.Formatter$FormatSpecifier.checkBadFlags(Unknown Source)
	at java.util.Formatter$FormatSpecifier.checkGeneral(Unknown Source)
	at java.util.Formatter$FormatSpecifier.<init>(Unknown Source)
	at java.util.Formatter.parse(Unknown Source)
	at java.util.Formatter.format(Unknown Source)
	at java.util.Formatter.format(Unknown Source)
	at java.lang.String.format(Unknown Source)
	at adn.a(SourceFile:142)
	at cy.a(SourceFile:12)
	at ModLoader.initStats(ModLoader.java:933)
	at ModLoader.init(ModLoader.java:910)
	at ModLoader.addAllRenderers(ModLoader.java:189)
	at ahu.<init>(ahu.java:77)
	at ahu.<clinit>(ahu.java:8)
	at net.minecraft.client.Minecraft.a(Minecraft.java:394)
	at net.minecraft.client.Minecraft.run(Minecraft.java:732)
	at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 83a42255 ----------