--- BEGIN ERROR REPORT 942511fc --------
Generated 23/02/12 2:25 AM
Minecraft: Minecraft 1.1
OS: Windows 7 (amd64) version 6.1
Java: 1.7.0, Oracle Corporation
VM: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: GeForce GT 330M/PCI/SSE2 version 3.3.0, NVIDIA Corporation
java.lang.IllegalArgumentException: Slot 249 is already occupied by ic2.common.BlockTex@4dd070a when adding ic2.common.BlockTex@4af92404
at oe.<init>(Block.java:176)
at oe.<init>(Block.java:204)
at ic2.platform.BlockCommon.<init>(BlockCommon.java:12)
at ic2.common.BlockTex.<init>(BlockTex.java:30)
at mod_IC2.initialize(mod_IC2.java:201)
at ic2.platform.Ic2.load(Ic2.java:65)
at ModLoader.init(ModLoader.java:824)
at ModLoader.AddAllRenderers(ModLoader.java:189)
at afq.<init>(afq.java:80)
at afq.<clinit>(afq.java:9)
at net.minecraft.client.Minecraft.a(Minecraft.java:316)
at net.minecraft.client.Minecraft.run(Minecraft.java:624)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 669cbd85 ----------
Cleared cache and retried, works great now. Either that or they updated it already.