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