Hi Ray, could you elaborate on what file permissions the _mmServerScripts folder should have? Right now it's set to 755 whereas the files inside are all set to 664. This is the same for the webassist folder. The owner is the same for all and is the main account I use to connect and work on the site (that's also what's used in the site definitions.
I've tried deleting the _mmServerScripts folder on the server and creating a fresh, clean copy, but that doesn't help. I've got a few other domains hosted at the same company that I've successfully used WA scripts on, so it's very frustrating for it not to work on this one domain.