Fatal error: Uncaught Error: Interface 'Symfony\Component\Security\Core\User\UserProviderInterface' not found in /home/aucoeurdgw/dev/src/PrestaShopBundle/Security/Admin/EmployeeProvider.php:40 Stack trace: #0 {main} thrown in /home/aucoeurdgw/dev/src/PrestaShopBundle/Security/Admin/EmployeeProvider.php on line 40