Warning: require_once(Crypt/GPG.php): Failed to open stream: No such file or directory in /usr/local/www/roundcube/plugins/enigma/lib/enigma_driver_gnupg.php on line 17

Fatal error: Uncaught Error: Failed opening required 'Crypt/GPG.php' (include_path='.:/usr/local/share/pear') in /usr/local/www/roundcube/plugins/enigma/lib/enigma_driver_gnupg.php:17 Stack trace: #0 {main} thrown in /usr/local/www/roundcube/plugins/enigma/lib/enigma_driver_gnupg.php on line 17