Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpFoundation\Session\Attribute\AttributeBagInterface' not found in C:\xampp\htdocs\admin\vendor\symfony\http-foundation\Session\Attribute\AttributeBag.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\symfony\http-foundation\Session\Attribute\AttributeBag.php on line 17