Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home2/santhos2/public_html/kannan.firstmatrix.in.net/core/vendor/symfony/mailer/Event/MessageEvent.php:25 Stack trace: #0 {main} thrown in /home2/santhos2/public_html/kannan.firstmatrix.in.net/core/vendor/symfony/mailer/Event/MessageEvent.php on line 25