I just don't know what went wrong :(

---- Minecraft Crash Report ----
// I just don't know what went wrong :(

Time: 25/05/13 9:44
Description: Initializing game

java.lang.NullPointerException
	at bik.g(SourceFile:49)
	at bik.<init>(SourceFile:31)
	at bin.<init>(SourceFile:7)
	at bip.c(SourceFile:115)
	at bip.<init>(SourceFile:37)
	at asx.N(SourceFile:286)
	at asx.d(SourceFile:587)
	at net.minecraft.client.main.Main.main(SourceFile:78)


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

-- Head --
Stacktrace:
	at bik.g(SourceFile:49)
	at bik.<init>(SourceFile:31)
	at bin.<init>(SourceFile:7)
	at bip.c(SourceFile:115)
	at bip.<init>(SourceFile:37)
	at asx.N(SourceFile:286)

-- Initialization --
Details:
Stacktrace:
	at asx.d(SourceFile:587)
	at net.minecraft.client.main.Main.main(SourceFile:78)

-- System Details --
Details:
	Minecraft Version: 13w21a
	Operating System: Mac OS X (x86_64) version 10.7.5
	Java Version: 1.6.0_45, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 62276944 bytes (59 MB) / 85000192 bytes (81 MB) up to 1069416448 bytes (1019 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	LWJGL: 2.9.0
	OpenGL: ATI Radeon HD 4670 OpenGL Engine GL version 2.1 ATI-7.32.12, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Texture Pack: Default
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null