That's OK, I worked out what my issue was (moving /home to another volume) and how to fix it: edit /etc/apparmor.d/tunables/home.d/ubuntu and run apparmor_parser --replace /etc/apparmor.d/
That's OK, I worked out what my issue was (moving /home to another volume) and how to fix it: edit /etc/apparmor. d/tunables/ home.d/ ubuntu and run apparmor_parser --replace /etc/apparmor.d/