'User not found' error while trying to log in

If you’re looking for some help, it’s important to provide as much context as possible so that people are able to assist you. Try to always mention:

  • What’s your URL? https://esfnbr.com
  • What version of Ghost are you using? Ubuntu Ghost on 18.04 (DigitalOcean)
  • What configuration? I don’t know what this means.
  • What browser? I have this issue on all browsers.
  • What errors or information do you see in the console?
  • What steps could someone else take to reproduce the issue you’re having? I don’t know why it happens. A few hours before I started having the issue I changed DNS.