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