Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\ParameterBag" not found in /home/alkhalaffamily/public_html/educourses/vendor/symfony/http-foundation/ServerBag.php:21
Stack trace:
#0 {main}
thrown in /home/alkhalaffamily/public_html/educourses/vendor/symfony/http-foundation/ServerBag.php on line 21