Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventSubscriberInterface" not found in /home/sourceex/public_html/investohub1/vendor/symfony/mailer/EventListener/MessengerTransportListener.php:24 Stack trace: #0 {main} thrown in /home/sourceex/public_html/investohub1/vendor/symfony/mailer/EventListener/MessengerTransportListener.php on line 24