I have something like this when I try to login any way(google, github, email, facebook)
I had an account one year ago maybe and it worked fine, but now it does not work 
Fix this please(
if you were able to find this info, were you also able to find that only support can help you and that they way to contact them is to send an email to support@freecodecamp.org?
Yeap, have send a mail, but still no answer. I’ve been waiting two days(
you will need to be patient, there are just a couple of people with the database access needed, and they also have many things to do. check your spam folder now and then, fcc emails have the habit of end there