Fatal error: Uncaught Error: Interface "Symfony\Component\HttpFoundation\Session\Flash\FlashBagInterface" not found in /home/islogi/public_html/mail.islogi.com/ex/symfony/http-foundation/Session/Flash/FlashBag.php:19 Stack trace: #0 {main} thrown in /home/islogi/public_html/mail.islogi.com/ex/symfony/http-foundation/Session/Flash/FlashBag.php on line 19