Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DataCollector\DataCollector" not found in /home/astechc1/public_html/vendor/symfony/notifier/DataCollector/NotificationDataCollector.php:23 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/symfony/notifier/DataCollector/NotificationDataCollector.php on line 23