https://www.reddit.com/r/tinycam/comments/155nul2/wyze_empty_login/
https://www.reddit.com/r/tinycam/comments/hdfnv8/invalid_empty_login_responsewyze/
Interesting that it appears to be device-specific (UID?)
I’ll post the error text to help anyone who might search on that:
invalid empty login response account can be temporary locked check credentials and try to login in 15 minutes