No answer yet? Damn 😀
Well, yesterday I wasn’t too sure since this looked like a problem with converting an old database format to a new one, and I have no real insight into that…
But this morning I remembered that you have nothing important in the database yet, right? No special playlists etc., so: just delete the playlist file! It’s probably at /var/cache/mt-daapd/songs.db . If you delete that, Firefly can create a fresh new database instead of trying to do half a dozen update steps to get from the old format to the new one.
FireFly Media ServerThe original FireFly Media Server