Speaker groups

[BriDelvaux]

I set up a speaker group and try to cast it and only 1 speaker plays:

I have 4 devices: my hub, a Chromecast, and 2 mesh wifi points. The only one that plays is my Chromecast. I've tried using voice commands and manually from my Spotify. I rebooted all the devices and recreated the group. Only the Chromecast is playing. 

I've tried looking at other posts but no one seems to answer how to fix the 1 speaker issue. Thanks!

[ai]

Hi there BriDelvaux, 
Thank you for your patience with us! We've created a case for your issue to send to our support team. Be on the lookout for an email from us in your inbox soon. For reference, your case number is 2-5346000031815.
Kindly,
Ai