Sub-domains Error

I have installed the certificate on a Linux CentOS 7 server, in it I have consigado several sub-domains, when configuring a new sub-domain with an existing domain it installs but of the Common names error and shows me the certificate of the other sub-domain.

New = (not working)
Already Existing = (that works)

Can I use the same certificate for for

Thank you.

No, the certificate has an exact lists of FQDNs (“hostnames”) it is valid for. Any other FQDN will result in an error.

You should get a new certificate for the new hostnames. Either a separate one, or update an existing “lineage” of certificates (referred to by “certificate name” in certbot) to include the new hostnames.

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