Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DataCollector\DataCollector" not found in /home/winnie/public_html/yahya/app-scheduler/vendor/symfony/console/DataCollector/CommandDataCollector.php:28 Stack trace: #0 {main} thrown in /home/winnie/public_html/yahya/app-scheduler/vendor/symfony/console/DataCollector/CommandDataCollector.php on line 28