Fatal error: Uncaught Error: Class "Symfony\Component\Console\Input\ArgvInput" not found in /home/alkhalaffamily/public_html/teachme/vendor/symfony/console/Completion/CompletionInput.php:27 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/teachme/vendor/symfony/console/Completion/CompletionInput.php on line 27