Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Encoder\QpEncoder" not found in /home/standardtelephon/public_html/apps/vendor/symfony/mime/Encoder/QpMimeHeaderEncoder.php:17 Stack trace: #0 {main} thrown in /home/standardtelephon/public_html/apps/vendor/symfony/mime/Encoder/QpMimeHeaderEncoder.php on line 17