Same prob with me. My main acc can login no prob. But all my other region acc such as US, UK & JP won't sign-in normally. Try scan the QR, get to acc management page and request for verification and nothing happen. Checked email also no code are sent to all those email.

For MY ac no prob. Straight can get the QR works. As for my US acc need to try few days. Still can't use/login to my EU acc