Gtk-CRITICAL **: 18:31:26.304: gtk_widget_get_preferred_height_and_baseline_for_width: assertion 'GTK_IS_WIDGET (widget)' failed
(gnome-sound-recorder:4165): Gtk-CRITICAL **: 18:31:26.304: gtk_widget_get_preferred_height_and_baseline_for_width: assertion 'GTK_IS_WIDGET (widget)' failed