(polkit-gnome-authentication-agent-1:1785): GLib-CRITICAL **: g_variant_new_string: assertion `string != NULL' failed
(polkit-gnome-authentication-agent-1:1785): polkit-gnome-1-WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
(xfwm4:1774): GLib-CRITICAL **: g_str_has_prefix: assertion `prefix != NULL' failed
(xfce4-settings-helper:1826): GLib-CRITICAL **: g_str_has_prefix: assertion `prefix != NULL' failed
(xfce4-settings-helper:1826): xfce4-settings-helper-WARNING **: Failed to get the _NET_NUMBER_OF_DESKTOPS property.
(xfce4-indicator-plugin:1884): libindicator-WARNING **: IndicatorObject class does not have an accessible description.
(xfce4-indicator-plugin:1884): libindicator-WARNING **: IndicatorObject class does not have an accessible description.
(xfce4-indicator-plugin:1884): GLib-CRITICAL **: g_variant_get_type: assertion `value != NULL' failed
(xfce4-indicator-plugin:1884): GLib-CRITICAL **: g_variant_type_is_subtype_of: assertion `g_variant_type_check (type)' failed
(xfce4-indicator-plugin:1884): GLib-CRITICAL **: g_variant_get_double: assertion `g_variant_is_of_type (value, G_VARIANT_TYPE_DOUBLE)' failed
(xfce4-indicator-plugin:1884): GLib-CRITICAL **: g_variant_get_type: assertion `value != NULL' failed
(xfce4-indicator-plugin:1884): GLib-CRITICAL **: g_variant_type_is_subtype_of: assertion `g_variant_type_check (type)' failed
(xfce4-indicator-plugin:1884): GLib-CRITICAL **: g_variant_get_int32: assertion `g_variant_is_of_type (value, G_VARIANT_TYPE_INT32)' failed
(xfce4-indicator-plugin:1884): Gtk-CRITICAL **: IA__gtk_widget_realize: assertion `GTK_WIDGET_ANCHORED (widget) || GTK_IS_INVISIBLE (widget)' failed
(xfce4-indicator-plugin:1884): GLib-CRITICAL **: g_variant_get_type: assertion `value != NULL' failed
(xfce4-indicator-plugin:1884): GLib-CRITICAL **: g_variant_type_is_subtype_of: assertion `g_variant_type_check (type)' failed
(xfce4-indicator-plugin:1884): GLib-CRITICAL **: g_variant_get_int32: assertion `g_variant_is_of_type (value, G_VARIANT_TYPE_INT32)' failed
(check-new-release-gtk:1837): Gtk-WARNING **: Unknown property: GtkMessageDialog.has-separator