uacme: c:/mptn/etc/ssl/uacme/private/www.mydomain.it/key.pem not found *
This is normal. Uacme is checking if the domain private key exists, so it
knows what to do next.
uacme: checking existence and expiration of
c:/mptn/etc/ssl/uacme/www.mydomain.it/cert.pem uacme:
c:/mptn/etc/ssl/uacme/www.mydomain.it/cert.pem does not exist ** uacme:
fetching directory at https://acme-v02.api.letsencrypt.org/directory
This is normal. Uacme is checking if the cert exists so it knows what to
do next.
I've seen this recently too. It appears that Let's Encrypt is somewhat
overloaded recently. There's nothing you can do other than retry until it
works.