Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpFoundation\Session\SessionInterface' not found in /home/acb20f5/public_html/alp/vendor/symfony/http-foundation/Session/FlashBagAwareSessionInterface.php:19 Stack trace: #0 {main} thrown in /home/acb20f5/public_html/alp/vendor/symfony/http-foundation/Session/FlashBagAwareSessionInterface.php on line 19