Fatal error: Uncaught Error: Class 'Symfony\Component\Mime\Part\AbstractPart' not found in /home/soh-works/www/3good_old/vendor/symfony/mime/Part/TextPart.php:24 Stack trace: #0 {main} thrown in /home/soh-works/www/3good_old/vendor/symfony/mime/Part/TextPart.php on line 24