(glade:14416): GladeUI-WARNING **: Failed to load libxfce4uiglade.so: libxfce4uiglade.so: cannot open shared object file: No such file or directory

(glade:14416): GladeUI-WARNING **: Failed to load external library 'xfce4uiglade' for catalog 'libxfce4ui'

(glade:14416): GladeUI-WARNING **: We could not find the symbol "xfce_titled_dialog_get_type"

(glade:14416): GladeUI-WARNING **: Could not get the type from "XfceTitledDialog"

(glade:14416): GladeUI-WARNING **: Failed to load the GType for 'XfceTitledDialog'

(glade:14416): GladeUI-WARNING **: Tried to include undefined widget class 'XfceTitledDialog' in a widget group
GladeUI-Message: Glade needs artwork; a default icon will be used for the following classes:
	GtkApplicationWindow	needs an icon named 'widget-gtk-applicationwindow'