Install gir1.2-poppler-0.18 by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-poppler-0.18
Description:
GObject introspection data for poppler-glib
Poppler is a PDF rendering library based on Xpdf PDF viewer. . This package contains introspection data for poppler-glib. . It can be used by packages using the GIRepository format to generate dynamic bindings.
Homepage: http://poppler.freedesktop.org/
Version: 0.62.0-2ubuntu2
Section: introspection