Fatal error: Uncaught Error: Class 'phpseclib3\Crypt\DH' not found in /var/www/dsmailer/modules/dsmailer_campaigns_managment/server-side/phpseclib3/Crypt/DH/PrivateKey.php:26
Stack trace:
#0 {main}
thrown in /var/www/dsmailer/modules/dsmailer_campaigns_managment/server-side/phpseclib3/Crypt/DH/PrivateKey.php on line 26