Then this is not a bug in Ubuntu. You'll need to fix the ubuntu-settings package for your custom environment.
** Changed in: glib2.0 (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to glib2.0 in Ubuntu. https://bugs.launchpad.net/bugs/1439220 Title: No such key 'external-editor' in schema 'org.gnome.eog.ui' as specified in override file '/usr/share/glib-2.0/schemas/10_ubuntu- settings.gschema.override'; ignoring override for this key. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/glib2.0/+bug/1439220/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs