SSL not work on

Good morning, I have a small problem, when I request an SSL from Let’s Encrypt I get an error returned via email.

Failed to obtain SSL for: and:

Trying to obtain SSL for:

Successfully obtained SSL for:

The domain is never protected by an SSL. I have also tried manually setting up a certificate from CloudFlare.

  • I have tried / * (it is applied correctly to the main domain)

  • I tried with /

(It does not work and keeps telling me it is not protected - in fact the WP site does not load)