#1719 Ubuntu 20.4 deactivates the PPA repo due to missing release file.
Ubuntu 20.4 deactivates the PPA repo due to missing release file.
After adding the repo and starting apt update it generates an error message saying that it cannot actualize from such a depot because of a missing release file.
Fehl:7 http://ppa.launchpad.net/taskcoach-developers/ppa/ubuntu focal Release
404 Not Found [IP: 91.189.95.85 80]
Holen:8 http://de.archive.ubuntu.com/ubuntu focal-backports InRelease [108 kB]
Paketlisten werden gelesen... Fertig
E: Das Depot »http://ppa.launchpad.net/taskcoach-developers/ppa/ubuntu focal Release« enthält keine Release-Datei.
N: Eine Aktualisierung von solch einem Depot kann nicht auf eine sichere Art durchgeführt werden, daher ist es standardmäßig deaktiviert.
N: Weitere Details zur Erzeugung von Paketdepots sowie zu deren Benutzerkonfiguration finden Sie in der Handbuchseite apt-secure(8).
Unfortunately, it may not work easily to get the PPA updated. While I have Task Coach working myself through some hacks that I did, the PPA I think is outdated and support for keeping Task Coach up-to-date is a problem. We need help getting it updated to Python3.
For now, the best bet is to use the AppImage https://www.taskcoach.org/download_for_linux.html