Fatal error: Uncaught Error: Interface "Symfony\Component\HttpFoundation\Session\SessionBagInterface" not found in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/http-foundation/Session/Attribute/AttributeBagInterface.php:21
Stack trace:
#0 {main}
thrown in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/http-foundation/Session/Attribute/AttributeBagInterface.php on line 21