Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Crypto\SMime" not found in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/mime/Crypto/SMimeEncrypter.php:20 Stack trace: #0 {main} thrown in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/mime/Crypto/SMimeEncrypter.php on line 20