Fatal error: Uncaught Error: Class "phpseclib3\Crypt\EC\BaseCurves\Prime" not found in /var/www/html/cfr1/intern/vendor/SFTP/phpseclib/Crypt/EC/Curves/brainpoolP512r1.php:19 Stack trace: #0 {main} thrown in /var/www/html/cfr1/intern/vendor/SFTP/phpseclib/Crypt/EC/Curves/brainpoolP512r1.php on line 19