Game crashes at world select, Worlds load up into black voids

I'm trying to run a previous version, but any time I scroll in the world select, it crashes. If I select a world immediately available, it loads into a black void where I can do nothing. Below is the crash report.

— BEGIN ERROR REPORT 7cf3a456 --------
Generated 8/24/16 8:55 PM

Minecraft: Minecraft 1.2.5
OS: Windows 7 (amd64) version 6.1
Java: 1.8.0_101, Oracle Corporation
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation

java.lang.ArrayIndedOutOfBoundsException: 2
at iz.a (SourceFile:256)
at if.a (SourceFile:254)
at mw.a (SourceFile:192)
at lr.b (SourceFile:734)
at net.minecraft.client.Minecraft.x (SourceFile:752)
at net.minecraft.client.Minecraft.run (SourceFile:671)
at java.lang.Thread.run (Unknown Source)
— END ERROR REPORT 1c6230d5----------