Errors when running ansible-playbook certbot.yml

Yes.

In the second scenario: We modified the inventory file to refer to external certs (with our own certificate and key), instead of letsencrypt; but it doesn’t seem to work either.

Is there any other documentation that I can refer that supports Ubuntu 20.04 version. Other than the one which I was looking at:

I’m ready to discard the instance that we have so far and will start over; based on your suggestions. Thank you.