Fatal error: Uncaught Error: Interface "Symfony\Component\HttpFoundation\Session\SessionInterface" not found in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\symfony\http-foundation\Session\Session.php:32 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\symfony\http-foundation\Session\Session.php on line 32