Fatal error: Uncaught Error: Class 'Knp\Snappy\Pdf' not found in /opt/lampp/htdocs/us/vendor/barryvdh/laravel-snappy/src/IlluminateSnappyPdf.php:6 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/us/vendor/barryvdh/laravel-snappy/src/IlluminateSnappyPdf.php on line 6