Install liboop-dbg by entering the following commands in the terminal:
sudo apt update sudo apt install liboop-dbg
Description:
Event loop management library - debug symbols
Liboop is a low-level event loop management library for POSIX-based operating systems. . This package contains debugging symbols.
Homepage: http://www.lysator.liu.se/liboop/
Version: 1.0.1-1
Section: universe/debug