That's not much info to work with. Can you locate the Certbot log and upload it? You will need to copy it to a .txt file before using the upload button on the post menu.
You should find it at
/var/log/letsencrypt/letsencrypt.log
Renewing an existing certificate for ce.oclockdt.com
Create a file containing just this data:
CEvwa9HokJhzhWpX1e806vbOxnVX4fIq5VzHg9MdjnM.hbNn4qOrcJOUJpXJpjW6kKIYWmrSPy_O3rVxzOvqKGE
And make it available on your web server at this URL: http://ce.oclockdt.com/.well-known/acme-challenge/CEvwa9HokJhzhWpX1e806vbOxnVX4fIq5VzHg9MdjnM
Press Enter to ContinueSaving debug log to /var/log/letsencrypt/letsencrypt.log
An unexpected error occurred:
EOFError
Ask for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.
2023-06-14 13:25:19,039:DEBUG:certbot._internal.display.obj:Notifying user: Create a file containing just this data:
CEvwa9HokJhzhWpX1e806vbOxnVX4fIq5VzHg9MdjnM.hbNn4qOrcJOUJpXJpjW6kKIYWmrSPy_O3rVxzOvqKGE
And make it available on your web server at this URL:
http://ce.oclockdt.com/.well-known/acme-challenge/CEvwa9HokJhzhWpX1e806vbOxnVX4fIq5VzHg9MdjnM
That looks like an error you need to talk to your hosting provider about. Here are the key bits from that log
2023-06-14 14:29:07,802:INFO:certbot.compat.misc:Running manual-auth-hook command: /etc/webmin/webmin/letsencrypt-dns.pl
2023-06-14 14:29:08,086:WARNING:certbot.display.ops:Hook '--manual-auth-hook' for ce.oclockdt.com reported error code 1
2023-06-14 14:29:08,086:WARNING:certbot.display.ops:Hook '--manual-auth-hook' for ce.oclockdt.com ran with error output:
Error: Missing file to read at virtual_server::/usr/libexec/webmin/virtual-server/feature-dns.pl line 3694
Error
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Missing file to read at virtual_server::/usr/libexec/webmin/virtual-server/feature-dns.pl line 3694