This started as a completely unrelated/misplaced/dumbass thread in a different section; I've since worked out that this is where my post should be... every time I try and load a world, old or new, I get this error:
Mods loaded: 3
ModLoader 1.2.5
mod_MinecraftForge 3.1.2.97
mod_IC2 v1.95
--- BEGIN ERROR REPORT d1679b05 --------
Generated 4/24/12 8:34 PM
Minecraft: Minecraft 1.2.5
OS: Windows XP (x86) version 5.1
Java: 1.6.0_20, Sun Microsystems Inc.
VM: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: GeForce 7300 GT/AGP/SSE/3DNOW! version 2.1.2, NVIDIA Corporation
java.lang.NoSuchMethodError: alb.getSaveFolder()Ljava/lang/String;
at aia.a(AnvilSaveHandler.java:21)
at xd.d(World.java:362)
at xd.<init>(World.java:345)
at xd.<init>(World.java:277)
at net.minecraft.client.Minecraft.a(Minecraft.java:1930)
at mw.c(SourceFile:171)
at mw.a(SourceFile:128)
at vp.a(SourceFile:74)
at vp.f(SourceFile:122)
at vp.i(SourceFile:110)
at net.minecraft.client.Minecraft.k(Minecraft.java:1561)
at net.minecraft.client.Minecraft.x(Minecraft.java:819)
at net.minecraft.client.Minecraft.run(Minecraft.java:747)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT c3127527 ----------
Does anyone know what would cause this?