Can't Type in LMS Preferences after Mac OS Monterey Upgrade

> Now my media folder location has disappeared, and I can't type anything
> or hit the "+" in LMS Preferences to re-add the media folder.
> Almost all of the options in the preferences tabs are greyed out.

That would be the case if LMS wasn't running.

> Start the server; it quickly stops. Can't view the logs.

What if you run

/Library/PreferencePanes/Squeezebox.prefPane/Contents/server/slimserver.pl

in a terminal window?

> Probably need to nuke preferences, but not sure how to do that. if I

Don't go there. This hardly ever is necessary.

Make sure you grant perl and perl5.18 full disk access in the
preferences pane.