Install libqjson0-dbg by entering the following commands in the terminal:
sudo apt update sudo apt install libqjson0-dbg
Description:
transitional dummy package for qjson's debugging symbols
This package is intended to provide a smooth transition to libqjson-dbg. It can be safely removed.
Homepage: http://qjson.sourceforge.net/
Version: 0.8.1-3
Section: universe/debug