Install libnini1.1-cil by entering the following commands in the terminal:
sudo apt update sudo apt install libnini1.1-cil
Description:
CLI library for managing configuration files
Nini is an uncommonly powerful .NET configuration library designed to help build highly configurable applications quickly. . This package contains the Nini library
Homepage: http://nini.sourceforge.net
Version: 1.1.0+dfsg.2-5
Section: universe/devel