Google Nest Community

I did finally get the camera's connected, but not the lights. Google nest camera's, i did a factory re-set again. And it worked somehow

I have just updated my wifi to an eero network, I had camera's and a new light connected yesterday, today, they're gone from the network and I'm unable to re-add them to Google home. I've tried pretty much everything:Restarted my phone, uninstalled G...