Fatal error: Interface 'Symfony\Component\HttpFoundation\Session\SessionBagInterface' not found in /var/www/html/dev/spa/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Flash/FlashBagInterface.php on line 22

Call Stack:
    0.0003     239608   1. {main}() /var/www/html/dev/spa/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Flash/FlashBagInterface.php:0