It has been reported also for Debian 11 https://forum.snapcraft.io/t/non-classic-snaps-fail-to-load-due-to- cgroup-apparmor-issue/28756
looking at `tail -f /var/log/syslog` I see almost the same message May 13 08:31:15 iltoshibo dbus-daemon[15558]: [session uid=1000 pid=15556] Activating service name='org.freedesktop.systemd1' requested by ':1.3243' (uid=1000 pid=797511 comm="telegram-desktop " label="unconfined") May 13 08:31:15 iltoshibo dbus-daemon[15558]: [session uid=1000 pid=15556] Activated service 'org.freedesktop.systemd1' failed: Process org.freedesktop.systemd1 exited with status 1 Maintainer say "my guess is there’s something missing or misconfigured in your session.". Now the problem is to find _what_ is missing or misconfigured (for all subscriber here, I think) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1951491 Title: Can't run snaps: .slice/session-1.scope is not a snap cgroup To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1951491/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs