Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Extension\Extension" not found in /home/alkhalaffamily/public_html/teachme/vendor/symfony/http-kernel/DependencyInjection/Extension.php:21
Stack trace:
#0 {main}
thrown in /home/alkhalaffamily/public_html/teachme/vendor/symfony/http-kernel/DependencyInjection/Extension.php on line 21