Minecraft Textures Crash

I am sincerely sorry if there is a topic with the same issue already but please help me. I am trying to put a texture pack (LB Photo Realism x256) but i keep getting this White Screen for Minecraft upon testing it.

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 27/7/2011 1:29 μμ

Minecraft: Minecraft Beta 1.7.3
OS: Windows 7 (amd64) version 6.1
Java: 1.7.0, Oracle Corporation
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: ATI Radeon HD 3800 Series version 3.3.10750 Compatibility Profile Context, ATI Technologies Inc.

java.nio.BufferOverflowException
at java.nio.DirectByteBuffer.put(Unknown Source)
at java.nio.ByteBuffer.put(Unknown Source)
at ji.a(SourceFile:233)
at ji.b(SourceFile:139)
at net.minecraft.client.Minecraft.k(SourceFile:1271)
at net.minecraft.client.Minecraft.run(SourceFile:754)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 40551149 ----------

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Thanks in advance