Fatal error: Uncaught Error: Class 'Symfony\Component\Security\Core\Exception\AuthenticationException' not found in /home/srv1clbr/public_html/sport43app/vendor/symfony/security-core/Exception/ProviderNotFoundException.php:21 Stack trace: #0 {main} thrown in /home/srv1clbr/public_html/sport43app/vendor/symfony/security-core/Exception/ProviderNotFoundException.php on line 21