That's expected. You have created 5 identical certificates, read
It's a certificate installation problem, not a certificate creation problem. So you don't need again a certificate, you have 5.
If you use certonly, you have to install the certificate. So do that instead of repeating a command that has already worked.
certbot certificates
apachectl -S
Read some basics - User Guide — Certbot 2.7.0.dev0 documentation