Hopper: java.lang.NoClassDefFoundError: org/lwjgl/util/glu/Project

java.lang.NoClassDefFoundError: org/lwjgl/util/glu/Project
	at btj.b(SourceFile:335)
	at btj.c(SourceFile:428)
	at btj.a(SourceFile:459)

---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3

Time: 25.10.13 17:09
Description: Rendering screen

java.lang.NoClassDefFoundError: org/lwjgl/util/glu/Project
	at btj.b(SourceFile:335)
	at btj.c(SourceFile:428)
	at btj.a(SourceFile:459)
	at bll.b(SourceFile:851)
	at azd.ad(SourceFile:780)
	at azd.e(SourceFile:704)
	at net.minecraft.client.main.Main.main(SourceFile:103)
Caused by: java.lang.ClassNotFoundException: org.lwjgl.util.glu.Project
	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
	... 7 more


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

-- Head --
Stacktrace:
	at btj.b(SourceFile:335)
	at btj.c(SourceFile:428)
	at btj.a(SourceFile:459)

-- Screen render details --
Details:
	Screen name: btj
	Mouse location: Scaled: (238, 11). Absolute: (477, 457)
	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: Mac OS X (x86_64) version 10.9
	Java Version: 1.6.0_65, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 46997192 bytes (44 MB) / 85000192 bytes (81 MB) up to 1065025536 bytes (1015 MB)
	JVM Flags: 1 total; -Xmx1G
	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: 2.9.1
	OpenGL: NVIDIA GeForce GT 640M OpenGL Engine GL version 2.1 NVIDIA-8.18.22 310.40.05f01, NVIDIA Corporation
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: ~~ERROR~~ NullPointerException: null
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
	Anisotropic Filtering: Off (1)