That's odd the SSL was working fine and some sites stopped worked and when I go to DA > SSL Certificates > Let's encrypt in order to try to update it shows:
Requesting new certificate order...
Processing https://acme-v02.api.letsencrypt.org/acme/authz-v3/4652594580...
Processing authorization for domain.com... (i remame here to not show user domain)
Challenge is valid.
Processing https://acme-v02.api.letsencrypt.org/acme/authz-v3/4652594586...
Processing authorization for mail.domain.com... (i remame here to not show user domain)
Challenge is valid.
Processing https://acme-v02.api.letsencrypt.org/acme/authz-v3/4652594609...
Processing authorization for www.domain.com... (i remame here to not show user domain)
Challenge is valid.
Processing https://acme-v02.api.letsencrypt.org/acme/authz-v3/5016874956...
Processing authorization for ftp.domain.com... (i remame here to not show user domain)
Waiting for domain verification...
Let's Encrypt was unable to verify the challenge. Unable to update challenge :: authorization must be pending. Exiting...
What I am missing?
Requesting new certificate order...
Processing https://acme-v02.api.letsencrypt.org/acme/authz-v3/4652594580...
Processing authorization for domain.com... (i remame here to not show user domain)
Challenge is valid.
Processing https://acme-v02.api.letsencrypt.org/acme/authz-v3/4652594586...
Processing authorization for mail.domain.com... (i remame here to not show user domain)
Challenge is valid.
Processing https://acme-v02.api.letsencrypt.org/acme/authz-v3/4652594609...
Processing authorization for www.domain.com... (i remame here to not show user domain)
Challenge is valid.
Processing https://acme-v02.api.letsencrypt.org/acme/authz-v3/5016874956...
Processing authorization for ftp.domain.com... (i remame here to not show user domain)
Waiting for domain verification...
Let's Encrypt was unable to verify the challenge. Unable to update challenge :: authorization must be pending. Exiting...
What I am missing?