Hopper: java.lang.NullPointerException - Clicking in video settings screen

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-190883/

Crash:

java.lang.NullPointerException
	at aye.a(SourceFile:86)
	at aya.a(SourceFile:37)
	at azw.a(SourceFile:52)
	at azo.d(SourceFile:240)
	at azo.m(SourceFile:211)

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

---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 19.09.13 19:57
Description: Updating screen events

java.lang.NullPointerException
	at aye.a(SourceFile:86)
	at aya.a(SourceFile:37)
	at azw.a(SourceFile:52)
	at azo.d(SourceFile:240)
	at azo.m(SourceFile:211)
	at awo.o(SourceFile:1260)
	at awo.aa(SourceFile:730)
	at awo.e(SourceFile:681)
	at net.minecraft.client.main.Main.main(SourceFile:104)


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

-- Head --
Stacktrace:
	at aye.a(SourceFile:86)
	at aya.a(SourceFile:37)
	at azw.a(SourceFile:52)
	at azo.d(SourceFile:240)
	at azo.m(SourceFile:211)

-- Affected screen --
Details:
	Screen name: azw
Stacktrace:
	at awo.o(SourceFile:1260)
	at awo.aa(SourceFile:730)
	at awo.e(SourceFile:681)
	at net.minecraft.client.main.Main.main(SourceFile:104)

-- System Details --
Details:
	Minecraft Version: 13w38a
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 328296360 bytes (313 MB) / 476971008 bytes (454 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 29 (1624 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 13w38a
	LWJGL: 2.9.0
	OpenGL: GeForce GTX 560 Ti/PCIe/SSE2 GL version 4.3.0, NVIDIA Corporation
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: English (US)
	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-190883/12382758/