Displays : GLib-GIO-CRITICAL and GLib-CRITICAL when opening Displays

1. Open gnome-control-center in a terminal
2. Click on "Displays"

Here are the errors that you get:

ubuntu@ubuntu:~$ gnome-control-center

(gnome-control-center:14615): Gtk-WARNING **: GtkTable does not have a property called expand

(gnome-control-center:14615): Gtk-WARNING **: GtkTable does not have a property called fill

(gnome-control-center:14615): Gtk-WARNING **: GtkTable does not have a property called position

(gnome-control-center:14615): GLib-GIO-CRITICAL **: g_settings_get_value: assertion `G_IS_SETTINGS (settings)' failed

(gnome-control-center:14615): GLib-CRITICAL **: g_variant_get_type: assertion `value != NULL' failed

(gnome-control-center:14615): GLib-CRITICAL **: g_variant_type_is_subtype_of: assertion `g_variant_type_check (type)' failed

(gnome-control-center:14615): GLib-CRITICAL **: g_variant_get_int32: assertion `g_variant_is_of_type (value, G_VARIANT_TYPE_INT32)' failed

(gnome-control-center:14615): GLib-CRITICAL **: g_variant_unref: assertion `value != NULL' failed

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: gnome-control-center 1:3.6.3-0ubuntu16
ProcVersionSignature: Ubuntu 3.8.0-14.24-generic 3.8.4
Uname: Linux 3.8.0-14-generic i686
ApportVersion: 2.9.2-0ubuntu4
Architecture: i386
CasperVersion: 1.330
Date: Wed Mar 27 16:56:11 2013
LiveMediaBuild: Ubuntu 13.04 "Raring Ringtail" - Alpha i386 (20130326)
MarkForUpload: True
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
usr_lib_gnome-control-center:
 activity-log-manager-control-center 0.9.4-0ubuntu6.1
 deja-dup 25.5-0ubuntu1
 gnome-control-center-signon 0.1.5-0ubuntu1
 gnome-control-center-unity 1.2daily13.02.15-0ubuntu1
 indicator-datetime 12.10.3daily13.03.07-0ubuntu1