(unity-panel-service:31019): Gtk-CRITICAL **: gtk_icon_info_get_filename: assertion 'icon_info != NULL' failed

(unity-panel-service:31019): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

(unity-panel-service:31019): Gtk-CRITICAL **: gtk_icon_info_get_filename: assertion 'icon_info != NULL' failed

(unity-panel-service:31019): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

(unity-panel-service:31019): GLib-CRITICAL **: Source ID 4294967295 was not found when attempting to remove it