are you using gnome-shell or unity? the account plugins are for "Ubuntu Online Account" and unity, not for GNOME/gnome-shell which uses "GNOME Online Account" (you wrote "Gnome online account" in the bug title)
are you using gnome-shell or unity? the account plugins are for "Ubuntu Online Account" and unity, not for GNOME/gnome-shell which uses "GNOME Online Account" (you wrote "Gnome online account" in the bug title)