Fatal error: Uncaught Error: Class "Symfony\Component\Security\Core\Exception\AuthenticationException" not found in /home2/zpcu9479/app.gennia.fr/vendor/symfony/security-core/Exception/SessionUnavailableException.php:26 Stack trace: #0 {main} thrown in /home2/zpcu9479/app.gennia.fr/vendor/symfony/security-core/Exception/SessionUnavailableException.php on line 26