Install gir1.2-cmenu-3.0 by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-cmenu-3.0
Description:
GObject introspection data for the Cinnamon menu library
This package contains introspection data for Cinnamon menu, an implementation of the desktop menu specification from freedesktop.org. . It can be used by languages supporting dynamic bindings with the GIRepository format.
Homepage: http://cinnamon.linuxmint.com
Version: 3.6.0-1
Section: universe/introspection