myth is crashing on startup

[Zaknafein]

2012-03-04 14:38:23
Myth II 32-Bit |iUniversal|p Build 372 running under MacOS 1058 (Intel) ----------------------------------------------
Loading poweruser.txt... not found.
Scanning for software devices...
Found 1 to use
Scanning for OpenGL devices...
Found 1 to use
Intel GMA X3100 OpenGL Engine | Intel Inc. | OpenGL 1.2
Error: File system Open in /Users/shadowknight/Projects/myth2/1.7-dev/Myth2Code/tag_files/tag_files.c, line #2532: couldn't open local tag file ':sound'.
Error: File system Open in /Users/shadowknight/Projects/myth2/1.7-dev/Myth2Code/tag_files/tag_files.c, line #1216: single_file_read() failed in tag_file_read()
Closing Myth.

how do I fix?

[Pyro]

You are not running the latest 1.7.2 build. Update. Second, sounds like you have something in your local that is causing the crash.