Minecraft has crashed!
      ----------------------

Minecraft has stopped running because it encountered a problem.

If you wish to report this, please copy this entire text and email it to support@mojang.com.
Please include a description of what you did when the error occured.



--- BEGIN ERROR REPORT a1dce528 --------
Generated 7/21/11 9:33 AM

Minecraft: Minecraft Beta 1.3_01
OS: Windows 7 (amd64) version 6.1
Java: 1.6.0_15, Sun Microsystems Inc.
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: Mobile Intel(R) 4 Series Express Chipset Family version 2.1.0 - Build 8.15.10.1855, Intel

java.lang.IllegalArgumentException: input == null!
	at javax.imageio.ImageIO.read(Unknown Source)
	at oi.<init>(SourceFile:36)
	at net.minecraft.client.Minecraft.a(SourceFile:277)
	at net.minecraft.client.Minecraft.run(SourceFile:632)
	at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT ea37d52c ----------