The site is buggy, when you enable 2FA, you are given the qr code option only, no option for manual entry. When you sign up and the username is taken, you next

The site is buggy, when you enable 2FA, you are given the qr code option only, no option for manual entry. When you sign up and the username is taken, you next button goes into infinite loop even after changing the username, you cannot click next, and clicking back doesn’t fix it.