Fatal error: Uncaught Error: Interface "Symfony\Component\HttpFoundation\Session\SessionFactoryInterface" not found in C:\Apache24\htdocs\kpiproject\vendor\symfony\http-foundation\Session\SessionFactory.php:23 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\kpiproject\vendor\symfony\http-foundation\Session\SessionFactory.php on line 23