<html><head></head><body><div>So now I have the upgrade to 19.13. There are some apps that say in plinth that they require update: Syncthing, Searx (which is also deactivated), Matrix. </div><div>Clicking on the "Send Data" I receive the following error:</div><div style="margin-left: 3ch;"><div>Error during installation E: The repository '<a href="http://security.debian.org testing/updates Release' no longer has a Release file.">http://security.debian.org testing/updates Release' no longer has a Release file.</a>
E: Repository '<a href="http://ftp.de.debian.org/debian testing InRelease' changed its 'Codename' value from 'buster' to 'bullseye' ">http://ftp.de.debian.org/debian testing InRelease' changed its 'Codename' value from 'buster' to 'bullseye' </a></div></div><div><br></div><div>Actually, I want to stay on the stable + backports path. </div><div><br></div><div>Oh, I just see, sources.lst shows "testing". Can I manually change it to stable and add backports?</div><div>However, 50unattended-upgrades uses ${distro_codename} and 60unattended-upgrades uses backports. Is sources.lst not used unless I do an apt upgrade?</div><div><br></div><div>I am confused</div><div><br></div><div> Dietmar</div></body></html>