Minecraft Forums

Whenever I load BETA 1.7.2 and open a world the game crashes, and comes up with this error:

--- BEGIN ERROR REPORT a1dce528 --------
Generated 16/08/14 11:02 AM

Minecraft: Minecraft Beta 1.7.2
OS: Windows 8 (x86) version 6.2
Java: 1.7.0_55, Oracle Corporation
VM: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
LWJGL: 2.9.0
OpenGL: Intel(R) HD Graphics version 3.1.0 - Build 9.17.10.2932, Intel

java.lang.NoClassDefFoundError: org/lwjgl/util/glu/GLU
at px.a(SourceFile:402)
at px.a(SourceFile:601)
at px.b(SourceFile:511)
at net.minecraft.client.Minecraft.run(SourceFile:781)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.lwjgl.util.glu.GLU
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 java.lang.ClassLoader.loadClass(Unknown Source)
... 5 more
--- END ERROR REPORT 25ea6921 ----------



Launcher: MagicLauncher

Parameters: -Xmx2G

Memory: 1000MB

Mods: OptiFine



Can anyone help me with this?