Hopper: java.lang.NullPointerException bda.a(SourceFile:322)

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-111/

Crash:

java.lang.NullPointerException
	at bda.a(SourceFile:322)
	at bdv.l_(SourceFile:159)
	at bee.a(SourceFile:57)
	at ats.k(SourceFile:1402)
	at ats.S(SourceFile:663)
	at ats.d(SourceFile:619)
	at net.minecraft.client.main.Main.main(SourceFile:101)

The following is the first clean report made public about this crash:

---- Minecraft Crash Report ----
// Why is it breaking :(

Time: 02/08/13 12.14
Description: Unexpected error

java.lang.NullPointerException
	at bda.a(SourceFile:322)
	at bdv.l_(SourceFile:159)
	at bee.a(SourceFile:57)
	at ats.k(SourceFile:1402)
	at ats.S(SourceFile:663)
	at ats.d(SourceFile:619)
	at net.minecraft.client.main.Main.main(SourceFile:101)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 1.6.2
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_10, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 148461368 bytes (141 MB) / 231473152 bytes (220 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 34457 (1929592 bytes; 1 MB) allocated, 4862 (272272 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
	Launched Version: 1.6.2
	LWJGL: 2.9.0
	OpenGL: ATI Mobility Radeon HD 5650 GL version 3.2.9704 Compatibility Profile Context, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Pack: Default
	Current Language: Italiano (Italia)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-111/4576/