Every import attempt has failed and Error 502 on repository mirroring settings

Every import attempt has failed: Error importing repository https://:@github.com// into /- 13:CreateRepositoryFromURL: clone cmd wait: exit status 128. Please try again.

To resume mirroring update your [repository mirroring settings].

When I go to repository mirroring settings, I get Error 502, which is the same error I’m getting when I try to create a new CI/CD project (Error 502 when trying to list GitHub repositories).