No input file specified when integrating Roundcube with HestiaCP, with PostgreSQL

I followed instructions from copilot on how to
integrate Roundcube with hestiacp, install with PostgreSQL, add the password plugin and set access point as https://subdomain.domain.com
which uses subdomain.domain.com.ca, subdomain.domain.com.crt, subdomain.domain.com.key

https://subdomain.domain.com displays: - No input file specified.

https://webmail.domain.com displays:

  • Success!
  • Your new web server is ready to use.