What I expected to happen was...:
The game would just open like it normally does. ..

What actually happened was...:
I instead, get this error code:

— Minecraft Crash Report ----
// This is a token for 1 free hug. Redeem at your nearest Mojangsta: _HUG~

Time: 9/2/14 8:17 AM
Description: Initializing game

ctz: Unable to fit: minecraft:items/spider_eye_fermented - size: 128x128 - Maybe try a lowerresolution resourcepack?
at ctw.c(SourceFile:60)
at cua.b(SourceFile:197)
at cua.a(SourceFile:77)
at cxh.j(SourceFile:553)
at cxh.a(SourceFile:139)
at cxk.a(SourceFile:23)
at cvt.a(SourceFile:99)
at bsu.aj(SourceFile:437)
at bsu.a(SourceFile:299)
at net.minecraft.client.main.Main.main(SourceFile:120)

Steps to Reproduce:
Just open the client and click "Play"