Install libbaloocore4 by entering the following commands in the terminal:
sudo apt update sudo apt install libbaloocore4
Description:
Core funcationality for Baloo
Baloo is a framework for searching and managing metadata. . This package contains the baloo core library. . Baloo is part of KDE SC.
Homepage: http://projects.kde.org/baloo
Version: 4:4.14.3-0ubuntu6
Section: universe/libdevel