PetrCBR's idea worked. The exact menu items are File...Maintain Library...Rebuild Full-Text Search index. MediaMonkey ended up locking up, but after I killed it in Task Manager, it started back up just fine. I can see the SongsText table now if I look at the database in DB Browser for SQLite. Thanks!

I found a table in the DB called "DBInfo". It has 4 rows:
IDInfo InfoValue InfoString
1 4 null
2 1 null
3 42 null
10 1821544534 null

I don't know if this helps at all.

No such luck. I installed, started up MediaMonkey, and still got the popups. Looked at Help...About, and verified that I had version 4.1.23.1881. It seems that the app and the database don't match. Is there a table I can look at to see which version of the app it is supposed to run against? Thanks.

Version 4.1.22.1880 As MediaMonkey is opening, and MM is monitoring files, I get a series of popups. Each of them has the following error: There was a problem querying the database: Error executing SQL "UPDATE Songs SET SongPath=?, Artist=?, IdAlbum ... (<other fieldnames>) ...Actors=?,Producer...

Sorry, guys, I was mistaken. I have 2 Google accounts, and I used the wrong one. Once I logged into Google Play with the right one, Mediamonkey Pro reinstalled just fine.

Yes, I am using the same Google Play account. The migration works for other "Pro" accounts I have. Just not Mediamonkey.

Hey, I'm having the same problem! I just bought a new Samsung Galaxy Note 8, and I transferred Mediamonkey from my old phone (a Galaxy S5) to my new one. But my Pro license didn't transfer. When I go to Google Play to reinstall my Pro license, it wants me to pay $3.99 again. I have some other apps t...