Why I am getting this error, Let’s debug test results showing every thing ok with my domain, even I am getting this error. Please help me out how to resolve this issue.
letsencrypt_certificate[gitlab.xxxxx.com] (letsencrypt::http_authorization line 5) had an error: RuntimeError: acme_certificate[staging] (/opt/gitlab/embedded/cookbooks/cache/cookbooks/letsencrypt/resources/certificate.rb line 25) had an error: RuntimeError: ruby_block[create certificate for gitlab.xxxxx.com] (/opt/gitlab/embedded/cookbooks/cache/cookbooks/acme/resources/certificate.rb line 108) had an error: RuntimeError: [gitlab.xxxxx.com] Validation failed, unable to request certificate