If your Genius cannot log in, this can solve it!
1/ Open the Genius website
2/ Open the developer tools in Chrome/Edge browser (shortcut key F12)
3/ Find Application
4/ Find Storage
5/ Click Clear site data
6/ Restart the browser
As a final solution, if none of the above works, clear all browser data.
However, after testing with the community, the above steps can resolve the login issue.
