Install gir1.2-atril by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-atril
Description:
GObject introspection data for libatril* (transitional package)
This package is a transitional package to gir1.2-atrildocument-1.5.0 and gir1.2-atrilview-1.5.0. This package can be safely removed.
Homepage: http://www.mate-desktop.org/
Version: 1.20.1-2ubuntu2
Section: universe/introspection