Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DataCollector\DataCollector" not found in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/symfony/http-kernel/DataCollector/EventDataCollector.php:27 Stack trace: #0 {main} thrown in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/symfony/http-kernel/DataCollector/EventDataCollector.php on line 27