Cannot play Musik on google home mini

[MonicaHjert]

My Question or Issue

I cannot play music from spotify on my google home minis anymore. It only work on my google home nest. When I try to cast to a google home mini device (or them all as a speaker group) the songs start to shuffle on Spotify, then starts playing a random song for 10 seconds and then stops. Have retired to reinstall everything from google Assistent, Spotify app, my router etc. Nothing works. It did work for a long time though, but not since a couple of weeks.