Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. https://crt.sh/?q=example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is: http://www.lk608.de
I ran this command: sudo certbot --authenticator webroot --installer apache
It produced this output: Saving debug log to /var/log/letsencrypt/letsencrypt.log
The requested apache plugin does not appear to be installed
My web server is (include version): Apache/2.4.29
The operating system my web server runs on is (include version): Linux 4.9.35-v7+
My hosting provider, if applicable, is: Home 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): WInSCP 5.13.1