Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DataCollector\DataCollector" not found in /home/ldt/public_html/canvas/udoit/vendor/symfony/form/Extension/DataCollector/FormDataCollector.php:34 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/symfony/form/Extension/DataCollector/FormDataCollector.php on line 34