Google Nest Community

This just started. I used to play music and podcasts to all my 7 speakers. Now it won't allow me to play YouTube to more than 1 device. I have rebooted everything, reinstalled all speakers and created rooms with them. I have one room for them all and...

I have 7 google home mini speakers. I've added them over the last several months. Now I want to move all of them to one speaker group. . This is to stop having to manually tell it what speakers to play on. I am having issues with it not allowing me t...