SONOS is enabled but not connecting

Up till about a week ago Roon was connecting with all my Sonos (est 15 count) in my home just fine. Now it is only connecting with about 3 of them. When I use the Sonos app all the units are showing up on the Sonos app. In regards to the Roon app only 3. I’ve rebooted my QNAP with Roon core NAS. Not…