Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Part\DataPart" not found in /Users/m4_production_1/Sites/ipt/iptkids/vendor/symfony/mime/Part/MessagePart.php:22 Stack trace: #0 {main} thrown in /Users/m4_production_1/Sites/ipt/iptkids/vendor/symfony/mime/Part/MessagePart.php on line 22