Install gir1.2-gfbgraph-0.2 by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-gfbgraph-0.2
Description:
GObject library for Facebook Graph API - GObject introspection
GFBGraph is a GLib/GObject wrapper for the Facebook API. . This package contains the GObject introspection typelib.
Homepage: https://wiki.gnome.org/Projects/GFBGraph
Version: 0.2.3-2
Section: universe/introspection