Hi Pierre,
I can't login on the Common Lisp GitLab because of the 2-factor-authentication. Since I can't answer Fare there, I'll do it here :)
Sorry to hear about your trouble getting into the gitlab.common-lisp.net.
Could you send an email to admin@common-lisp.net or join the IRC channel # common-lisp.net and request help to resolve your login issue?
Thanks,
Dave