What troubleshooting steps have you tried when you're trying to sign in? If you haven't already, you can try clearing your browser's cache & cookies and restarting it. More fix here: https://yt.be/help/sWdH . Let us know if that works.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
What troubleshooting steps have you tried when you're trying to sign in? If you haven't already, you can try clearing your browser's cache & cookies and restarting it. More fix here: https://yt.be/help/sWdH . Let us know if that works.