Fatal error: Uncaught Error: Interface "Symfony\Component\HttpKernel\DataCollector\DataCollectorInterface" not found in /home/klit2494/public_html/bell-scholl/vendor/symfony/http-kernel/DataCollector/DataCollector.php:29 Stack trace: #0 {main} thrown in /home/klit2494/public_html/bell-scholl/vendor/symfony/http-kernel/DataCollector/DataCollector.php on line 29