Fatal error: Uncaught Error: Class "phpseclib3\Crypt\DSA" not found in /var/www/html/cfr1/intern/vendor/SFTP/phpseclib/Crypt/DSA/PublicKey.php:23 Stack trace: #0 {main} thrown in /var/www/html/cfr1/intern/vendor/SFTP/phpseclib/Crypt/DSA/PublicKey.php on line 23