Solution 1:
It seems that hda-me/nginx-stable
doesn't support Ubuntu 20.04. You can remove this repository using:
sudo add-apt-repository --remove ppa:hda-me/nginx-stable
It seems that hda-me/nginx-stable
doesn't support Ubuntu 20.04. You can remove this repository using:
sudo add-apt-repository --remove ppa:hda-me/nginx-stable