usual upgrade path with
curl -s https://mailinabox.email/setup.sh | sudo bash
fails:
FAILED: add-apt-repository -y ppa:certbot/certbot
-----------------------------------------
Hit:1 http://ppa.launchpad.net/certbot/certbot/ubuntu bionic InRelease
Hit:2 http://archive.ubuntu.com/ubuntu bionic InRelease
Hit:3 http://archive.ubuntu.com/ubuntu bionic-updates InRelease
Hit:4 http://archive.ubuntu.com/ubuntu bionic-backports InRelease
Hit:5 http://archive.ubuntu.com/ubuntu bionic-security InRelease
Get:6 http://ppa.launchpad.net/ondrej/nginx/ubuntu bionic InRelease [20.8 kB]
Reading package lists…
E: Repository ‘http://ppa.launchpad.net/ondrej/nginx/ubuntu bionic InRelease’ changed its ‘Label’ value from ‘PPA for NGINX with HTTP/2’ to ‘PPA for NGINX Stable with HTTP/2’
Nothing done otherwise. Any ideas?