Fatal error: Uncaught Error: Class 'Symfony\Component\Security\Core\Exception\AuthenticationServiceException' not found in /home/soh-works/www/3good_old/vendor/symfony/security-core/Exception/UnsupportedUserException.php:20 Stack trace: #0 {main} thrown in /home/soh-works/www/3good_old/vendor/symfony/security-core/Exception/UnsupportedUserException.php on line 20