Hopper: java.lang.NullPointerException: Rendering screen

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-2560332/

Crash:

java.lang.NullPointerException: Rendering screen
	at btj$a.f(SourceFile:322)
	at ben.a(SourceFile:21)
	at bel.a(SourceFile:46)
	at bay.a(SourceFile:25)
	at bbd.b(SourceFile:411)
	at bbd.a(SourceFile:210)
	at bek.a(SourceFile:148)

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

---- Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 11/09/15 15:35
Description: Rendering screen

java.lang.NullPointerException: Rendering screen
	at btj$a.f(SourceFile:322)
	at ben.a(SourceFile:21)
	at bel.a(SourceFile:46)
	at bay.a(SourceFile:25)
	at bbd.b(SourceFile:411)
	at bbd.a(SourceFile:210)
	at bek.a(SourceFile:148)
	at bkp.a(SourceFile:1054)
	at azx.as(SourceFile:954)
	at azx.a(SourceFile:377)
	at net.minecraft.client.main.Main.main(SourceFile:125)


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

-- Head --
Stacktrace:
	at btj$a.f(SourceFile:322)
	at ben.a(SourceFile:21)
	at bel.a(SourceFile:46)
	at bay.a(SourceFile:25)
	at bbd.b(SourceFile:411)
	at bbd.a(SourceFile:210)
	at bek.a(SourceFile:148)

-- Screen render details --
Details:
	Screen name: bek
	Mouse location: Scaled: (174, 168). Absolute: (522, 395)
	Screen size: Scaled: (480, 300). Absolute: (1440, 900). Scale factor of 3
Stacktrace:
	at bkp.a(SourceFile:1054)
	at azx.as(SourceFile:954)
	at azx.a(SourceFile:377)
	at net.minecraft.client.main.Main.main(SourceFile:125)

-- System Details --
Details:
	Minecraft Version: 15w37a
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 72975168 bytes (69 MB) / 186118144 bytes (177 MB) up to 523501568 bytes (499 MB)
	JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 15w37a
	LWJGL: 2.9.4
	OpenGL: AMD Radeon HD 7480D GL version 4.2.12337 Compatibility Profile Context 13.101.0.0, ATI Technologies Inc.
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

	Using VBOs: No
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: 
	Current Language: Español (España)
	Profiler Position: N/A (disabled)
	CPU: 2x AMD A4-5300 APU with Radeon(tm) HD Graphics

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-2560332/74959357/