Fatal error: Uncaught Error: Interface "Symfony\Bundle\SecurityBundle\DependencyInjection\Security\UserProvider\UserProviderFactoryInterface" not found in /home/zdpktgd/ptc/vendor.old/symfony/security-bundle/DependencyInjection/Security/UserProvider/InMemoryFactory.php:25 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/symfony/security-bundle/DependencyInjection/Security/UserProvider/InMemoryFactory.php on line 25