This is from Sonos end and a link between spotify.
This is not network related!
I have lives in 3 different countries; Belgium, Netherlands & Malta.
So my dns was different as my network to. Ive tried multiple network settings.
The problem is everywhere the same with Spotify - Liked songs.
Playing music from the Spotify app to sonos is not a problem but I don’t like this way because it’s lags.
Tried it with different devices; Iphone, Android, Windows, iMac… nothing changes.
Also made a new Sonos account and connected my Spotify and that from my wife and the result is the same. The liked song from Spotify give an “Error 701 Can't add songs to the queue”.
On Spotify’s behave I can’t find a topic nor a solution.
I had also considered to undouble my Spotify playlist and liked songs and this was without any results.
I have Beam Gen 2, Roam, 2 Play1.
On all the devices it’s the same result.
I have called in no one can help me. They say it’s sonos fault. But this is basic understanding it’s up to sonos to solve this problem.