Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\Response" not found in /home/ldt/public_html/canvas/udoit/vendor/knplabs/knp-snappy-bundle/src/Snappy/Response/SnappyResponse.php:8 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/knplabs/knp-snappy-bundle/src/Snappy/Response/SnappyResponse.php on line 8