Install php-horde-crypt-blowfish by entering the following commands in the terminal:
sudo apt update sudo apt install php-horde-crypt-blowfish
Description:
Blowfish Encryption Library
Provides blowfish encryption/decryption for PHP string data. . This package is part of Horde, a web application Framework written in PHP with modules like IMP (webmail), Turba (contacts), Kronolith (calendar), Nag (task list), Gollem (file manager), etc.
Homepage: http://www.horde.org/
Version: 1.1.2-1ubuntu1
Section: universe/php