Fatal error: Uncaught Error: Class "setasign\Fpdi\PdfParser\Filter\FilterException" not found in C:\xampp\htdocs\vendor\setasign\fpdi\src\PdfParser\Filter\FlateException.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\setasign\fpdi\src\PdfParser\Filter\FlateException.php on line 16