Fatal error: Uncaught Error: Class 'Symfony\Component\Mime\Encoder\Base64Encoder' not found in /home/devmecseminars/public_html/mec/vendor/symfony/mime/Encoder/Base64MimeHeaderEncoder.php:17
Stack trace:
#0 {main}
thrown in /home/devmecseminars/public_html/mec/vendor/symfony/mime/Encoder/Base64MimeHeaderEncoder.php on line 17