In my case did not work until now. What I did is set the automatic date
and time off , set the date to march the 5th , then I set up my
Chromecast with Google home app . Took more minutes than the usual set
up , but it worked !!!!
I have try with IOS and Android and showing the same error! Hopefully
they can fix the issue!! I even talk with my provider to check my modem
router settings and is set properly. and checking this topic , its seems
to be is a general issue with these...