I got these errors while modifying /etc/apt/sources.list:
~$ sudo gedit /etc/apt/sources.list
(gedit:3329): Gtk-WARNING **: Calling Inhibit failed: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
(gedit:3329): Gtk-WARNING **: Calling Inhibit failed: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
I got these errors while modifying /etc/apt/ sources. list:
~$ sudo gedit /etc/apt/ sources. list
(gedit:3329): Gtk-WARNING **: Calling Inhibit failed: GDBus.Error: org.freedesktop .DBus.Error. ServiceUnknown: The name org.gnome. SessionManager was not provided by any .service files
(gedit:3329): Gtk-WARNING **: Calling Inhibit failed: GDBus.Error: org.freedesktop .DBus.Error. ServiceUnknown: The name org.gnome. SessionManager was not provided by any .service files
everything worked, though