thank you for your bug report bug the error suggest that you are mixing GNOME2 and GNOME3 code which is not supported, it's not an Ubuntu issue since GNOME3 is not part of the distribution yet
thank you for your bug report bug the error suggest that you are mixing GNOME2 and GNOME3 code which is not supported, it's not an Ubuntu issue since GNOME3 is not part of the distribution yet