Hotfix GitLab CI parse error

3 jobs for master in 39 seconds (queued for 2 seconds)
Name Stage Failure
lets-encrypt Deploy
$ for i in dns_rfc2136_server dns_rfc2136_port dns_rfc2136_name dns_rfc2136_secret dns_rfc2136_algorithm; do echo "$i = ${!i}" >> /rfc2136.ini; done
$ certbot certonly --dry-run --dns-rfc2136 --dns-rfc2136-credentials /rfc2136.ini -d --preferred-challenges dns-01
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator dns-rfc2136, Installer None
Enter email address (used for urgent renewal and security notices) (Enter 'c' to
cancel): An unexpected error occurred:
Please see the logfiles in /var/log/letsencrypt for more details.
ERROR: Job failed: exit code 1