Hopper: java.lang.ClassCastException: java.util.concurrent.ConcurrentHashMap$HashEntry cannot be cast to [B

java.lang.ClassCastException: java.util.concurrent.ConcurrentHashMap$HashEntry cannot be cast to [B
	at java.awt.image.ComponentColorModel.getAlpha(Unknown Source)
	at java.awt.image.ComponentColorModel.getRGB(Unknown Source)
	at java.awt.image.BufferedImage.getRGB(Unknown Source)
	at bqa.a(SourceFile:299)
	at bqa.a(SourceFile:278)
	at bqa.a(SourceFile:208)
	at bpm.a(SourceFile:48)

---- Minecraft Crash Report ----
// You're mean.

Time: 25.10.13 18:15
Description: Registering texture

java.lang.ClassCastException: java.util.concurrent.ConcurrentHashMap$HashEntry cannot be cast to [B
	at java.awt.image.ComponentColorModel.getAlpha(Unknown Source)
	at java.awt.image.ComponentColorModel.getRGB(Unknown Source)
	at java.awt.image.BufferedImage.getRGB(Unknown Source)
	at bqa.a(SourceFile:299)
	at bqa.a(SourceFile:278)
	at bqa.a(SourceFile:208)
	at bpm.a(SourceFile:48)
	at bpx.a(SourceFile:72)
	at bpx.a(SourceFile:40)
	at bge.a(SourceFile:125)
	at bat.a(SourceFile:26)
	at bay.b(SourceFile:382)
	at bay.a(SourceFile:259)
	at bgb.a(SourceFile:283)
	at bll.b(SourceFile:851)
	at azd.ad(SourceFile:780)
	at azd.e(SourceFile:704)
	at net.minecraft.client.main.Main.main(SourceFile:103)


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

-- Head --
Stacktrace:
	at java.awt.image.ComponentColorModel.getAlpha(Unknown Source)
	at java.awt.image.ComponentColorModel.getRGB(Unknown Source)
	at java.awt.image.BufferedImage.getRGB(Unknown Source)
	at bqa.a(SourceFile:299)
	at bqa.a(SourceFile:278)
	at bqa.a(SourceFile:208)
	at bpm.a(SourceFile:48)

-- Resource location being registered --
Details:
	Resource location: minecraft:textures/gui/icons.png
	Texture object class: bpm
Stacktrace:
	at bpx.a(SourceFile:72)
	at bpx.a(SourceFile:40)
	at bge.a(SourceFile:125)
	at bat.a(SourceFile:26)
	at bay.b(SourceFile:382)
	at bay.a(SourceFile:259)
	at bgb.a(SourceFile:283)

-- Screen render details --
Details:
	Screen name: bgb
	Mouse location: Scaled: (232, 143). Absolute: (464, 193)
	Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2
Stacktrace:
	at bll.b(SourceFile:851)
	at azd.ad(SourceFile:780)
	at azd.e(SourceFile:704)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 1.7.2
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_45, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 7055272 bytes (6 MB) / 73543680 bytes (70 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.7.2
	LWJGL: 2.9.0
	OpenGL: Intel(R) HD Graphics GL version 2.1.0 - Build 8.15.10.2622, Intel
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: Norsk (NO)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
	Anisotropic Filtering: Off (1)