Fatal error: Uncaught Error: Interface 'Symfony\Component\Security\Core\User\UserProviderInterface' not found in /home/soh-works/www/3good_old/vendor/symfony/security-core/User/MissingUserProvider.php:22 Stack trace: #0 {main} thrown in /home/soh-works/www/3good_old/vendor/symfony/security-core/User/MissingUserProvider.php on line 22