Install kvirc-data by entering the following commands in the terminal:
sudo apt update sudo apt install kvirc-data
Description:
Data files for KVIrc
This package contains the architecture-independent data needed by KVIrc in order to run, such as icons and images, language files, and shell scripts. It also contains complete reference guides on scripting and functions within KVIrc in its internal help format.
Homepage: http://www.kvirc.de/
Version: 4:4.9.3~git20180106+dfsg-1build1
Section: universe/net