Fatal error: Uncaught Error: Class 'Symfony\Polyfill\Php72\Php72' not found in C:\xampp\htdocs\uploadPdf\vendor\symfony\polyfill-php72\bootstrap.php:31 Stack trace: #0 {main} thrown in C:\xampp\htdocs\uploadPdf\vendor\symfony\polyfill-php72\bootstrap.php on line 31