Install gir1.2-dbusmenu-gtk-0.4 by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-dbusmenu-gtk-0.4
Description:
typelib file for libdbusmenu-gtk4
libdbusmenu passes a menu structure across DBus so that a program can create a menu simply without worrying about how it is displayed on the other side of the bus. . This package can be used by other packages using the GIRepository format to generate dynamic bindings for libdbusmenu-gtk4.
Homepage: https://launchpad.net/dbusmenu
Version: 16.04.1+18.04.20171206-0ubuntu1
Section: universe/introspection