Fatal error: Uncaught Error: Class "Symfony\Component\Security\Core\Exception\AuthenticationException" not found in /var/www/html/API_Forum/vendor/symfony/security-core/Exception/AuthenticationServiceException.php:20 Stack trace: #0 {main} thrown in /var/www/html/API_Forum/vendor/symfony/security-core/Exception/AuthenticationServiceException.php on line 20