Install gir1.2-ukuimenu-2.0 by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-ukuimenu-2.0
Description:
GObject introspection data for the UKUI menu specification
This package contains introspection data for UKUI menu specification, an implementation of the draft "Desktop Menu Specification" from freedesktop.org . It can be used by packages using the GIRepository format to generate dynamic bindings.
Homepage: https://github.com/ukui/ukui-menus
Version: 1.1.3-0ubuntu1
Section: universe/introspection