Google Nest Community

Or you could just use Google Translate. It reads "I have the same problem. I tried everything and nothing! I need help

Yup. EXACTLY what happened to me. Perhaps a Google problem? I would hate to imagine that my Chromecast device has been declared obsolete with nobody telling me in advance.

I had the same thing happen to me today. I wonder if it's a Google Server somewhere that needs a Size 12 restart.