Install gir1.2-gmenu-3.0 by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-gmenu-3.0
Description:
GObject introspection data for the GNOME menu library
This package contains introspection data for GNOME menu, an implementation of the desktop menu specification from freedesktop.org. . It can be used by languages supporting dynamic bindings with the GIRepository format.
Version: 3.13.3-11ubuntu1
Section: introspection