--- BEGIN ERROR REPORT a1dce528 --------
Generated 13.09.11 10:04

Minecraft: Minecraft Beta 1.7.3
OS: Linux (i386) version 2.6.38-11-generic
Java: 1.6.0_26, Sun Microsystems Inc.
VM: Java HotSpot(TM) Server VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
[failed to get system properties (java.lang.NullPointerException)]

java.lang.IllegalStateException: Only one LWJGL context may be instantiated at any one time.
	at org.lwjgl.opengl.Display.create(Display.java:846)
	at org.lwjgl.opengl.Display.create(Display.java:784)
	at org.lwjgl.opengl.Display.create(Display.java:765)
	at net.minecraft.client.Minecraft.a(SourceFile:294)
	at net.minecraft.client.Minecraft.run(SourceFile:716)
	at java.lang.Thread.run(Thread.java:662)
--- END ERROR REPORT b410b99e ----------