Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpFoundation\Session\Flash\FlashBagInterface' not found in C:\xampp\htdocs\admin\vendor\symfony\http-foundation\Session\Flash\AutoExpireFlashBag.php:19
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\admin\vendor\symfony\http-foundation\Session\Flash\AutoExpireFlashBag.php on line 19