Saving debug log to /var/log/letsencrypt/letsencrypt.log
Cert is due for renewal, auto-renewing…
Starting new HTTPS connection (1): acme-v01.api.letsencrypt.org
Renewing an existing certificate
Attempting to renew cert from /etc/letsencrypt/renewal/domain.conf produced an unexpected error: urn:acme:error:rateLimited :: There were too many requests of a given type :: Error creating new authz :: too many currently pending authorizations. Skipping.
All renewal attempts failed. The following certs could not be renewed:
1 renew failure(s), 0 parse failure(s)
The certificate expires in 2 days time.