Could be come the problem because I had used once openSSL ?
My domain is: absatzring.com
I ran this command: root@Zander:/# sudo certbot --apache
It produced this output: see the attached JPG
My web server is (include version): Apache2
In config: <VirtualHost *:80>
The operating system my web server runs on is (include version): ubuntu 18.04 LTS
My hosting provider, if applicable, is: my own server
I can login to a root shell on my machine (yes or no, or I don't know): yes
I'm using a control panel to manage my site (no, or provide the name and version of the control panel): no
The version of my client is (e.g. output of certbot --version
or certbot-auto --version
if you're using Certbot): newest