Install libghc-happstack-authenticate-prof by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-happstack-authenticate-prof
Description:
Happstack authentication library; profiling libraries
A themeable web authentication library with support for username+password and OpenID. . 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://www.happstack.com/
Version: 2.3.4.7-2build3
Section: universe/haskell