Fatal error: Uncaught Error: Interface 'Symfony\Component\Security\Core\User\UserInterface' not found in /home/phprplacein/public_html/vendor/symfony/security-core/User/AdvancedUserInterface.php:38 Stack trace: #0 {main} thrown in /home/phprplacein/public_html/vendor/symfony/security-core/User/AdvancedUserInterface.php on line 38