Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\Session\Storage\Handler\AbstractSessionHandler" not found in /home/authent1/public_html/listassorys/phpbb/vendor/symfony/http-foundation/Session/Storage/Handler/MongoDbSessionHandler.php:22 Stack trace: #0 {main} thrown in /home/authent1/public_html/listassorys/phpbb/vendor/symfony/http-foundation/Session/Storage/Handler/MongoDbSessionHandler.php on line 22