Hopper: java.lang.NoClassDefFoundError: org/lwjgl/opengl/GLChecks

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-44240/

Crash:

java.lang.NoClassDefFoundError: org/lwjgl/opengl/GLChecks
	at org.lwjgl.opengl.GL11.glTexImage2D(GL11.java:2870)
	at bim.a(SourceFile:84)
	at bhy.<init>(SourceFile:26)
	at bim.<clinit>(SourceFile:21)
	at bhx.b(SourceFile:9)
	at bic.a(SourceFile:45)

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

---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 6/9/2556, 21:29 น.
Description: Registering texture

java.lang.NoClassDefFoundError: org/lwjgl/opengl/GLChecks
	at org.lwjgl.opengl.GL11.glTexImage2D(GL11.java:2870)
	at bim.a(SourceFile:84)
	at bhy.<init>(SourceFile:26)
	at bim.<clinit>(SourceFile:21)
	at bhx.b(SourceFile:9)
	at bic.a(SourceFile:45)
	at bij.a(SourceFile:69)
	at bij.a(SourceFile:37)
	at ats.R(SourceFile:483)
	at ats.O(SourceFile:326)
	at ats.d(SourceFile:599)
	at net.minecraft.client.main.Main.main(SourceFile:101)
Caused by: java.lang.ClassNotFoundException: org.lwjgl.opengl.GLChecks
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 12 more


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

-- Head --
Stacktrace:
	at org.lwjgl.opengl.GL11.glTexImage2D(GL11.java:2870)
	at bim.a(SourceFile:84)
	at bhy.<init>(SourceFile:26)
	at bim.<clinit>(SourceFile:21)
	at bhx.b(SourceFile:9)
	at bic.a(SourceFile:45)

-- Resource location being registered --
Details:
	Resource location: minecraft:textures/gui/title/mojang.png
	Texture object class: bic
Stacktrace:
	at bij.a(SourceFile:69)
	at bij.a(SourceFile:37)
	at ats.R(SourceFile:483)
	at ats.O(SourceFile:326)

-- Initialization --
Details:
Stacktrace:
	at ats.d(SourceFile:599)
	at net.minecraft.client.main.Main.main(SourceFile:101)

-- System Details --
Details:
	Minecraft Version: 1.6.2
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_21, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 2397200 bytes (2 MB) / 26808320 bytes (25 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 1 total; -Xmx512M
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: ~~ERROR~~ NoClassDefFoundError: org/lwjgl/MemoryUtil$1
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.6.2
	LWJGL: 2.9.0
	OpenGL: GeForce 310M/PCI/SSE2 GL version 3.1 NVIDIA 187.83, NVIDIA Corporation
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Pack: GoodMorningCraft_5.zip
	Current Language: ภาษาไทย (TH)
	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-44240/8561914/