Google Nest Community

So last night the group of 3 speakers worked. this morning, same issue, can't find the group. What is going on? This is nuts.

My speaker group stopped working. On one device I can see the group but on others I can't. When I try to play the group it says not found. All my speakers show on all devices. None of the articles I've found helped. I've rebooted everything and remov...