Hey Mike,
This macro means nothing without an accompanying link to it.
People generally won't do detective work to figure something like that out, so you aren't likely to get much help.
The macro in question:
Open Finder File with Alternate App
If you haven't read this it's worth a couple of minutes of your time.
Tip: How Do I Get The Best Answer in the Shortest Time?
Also this:
How to Post Your Macro to the Forum
Take Care,
Chris
(Keyboard Maestro Moderator)