Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\HeaderBag" not found in /home/iunowfun/public_html/Webpanel2.3/vendor/symfony/http-foundation/ResponseHeaderBag.php:19
Stack trace:
#0 {main}
thrown in /home/iunowfun/public_html/Webpanel2.3/vendor/symfony/http-foundation/ResponseHeaderBag.php on line 19