Fatal error: Uncaught Error: Class "Symfony\Component\Notifier\Exception\IncompleteDsnException" not found in /home/technoon/public_html/demo/yondy/vendor/symfony/notifier/Exception/MissingRequiredOptionException.php:17 Stack trace: #0 {main} thrown in /home/technoon/public_html/demo/yondy/vendor/symfony/notifier/Exception/MissingRequiredOptionException.php on line 17