How to fix error setting SSL with certbot using?

Hello,
I try to set ssl for my php/laravel application under Digital Ocean with Kubuntu 18
as in this articles
https://www.digitalocean.com/community/tutorials/how-to-secure-apache-with-let-s-encrypt-on-ubuntu-18-04
But I got error trying to use certbot […]

See original post by invalid@example.com (mstdmstd)