Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Core\Role\RoleHierarchyInterface" not found in D:\xampp\htdocs\pimcore\my-project\vendor\symfony\security-core\Role\RoleHierarchy.php:19 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\vendor\symfony\security-core\Role\RoleHierarchy.php on line 19