Also, the ppa:phpmyadmin/ppa does not offer support for xenial. Only for bionic and eon. Please see below:
sudo apt-get update ... Reading package lists... Done W: The repository 'http://ppa.launchpad.net/phpmyadmin/ppa/ubuntu xenial Release' does not have a Release file. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. E: Failed to fetch http://ppa.launchpad.net/phpmyadmin/ppa/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1852536 Title: Warning in ./libraries/sql.lib.php shown, when any table contents are listed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/phpmyadmin/+bug/1852536/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
