Fatal error: Uncaught Error: Class "Knp\Snappy\AbstractGenerator" not found in /home/ldt/public_html/canvas/udoit/vendor/knplabs/knp-snappy/src/Knp/Snappy/Pdf.php:11 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/knplabs/knp-snappy/src/Knp/Snappy/Pdf.php on line 11