Install libghc-bencode-prof by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-bencode-prof
Description:
Parser and printer for bencoded data; profiling libraries
Parser and printer for bencoded data. . This package provides a library for the Haskell programming language, compiled for profiling. See http://www.haskell.org/ for more information on Haskell.
Homepage: http://hackage.haskell.org/package/bencode
Version: 0.6.0.0-4build2
Section: universe/haskell