Fatal error: Uncaught Error: Class "setasign\Fpdi\FpdiException" not found in G:\XAMPP\htdocs\aiims\user\Fpdi\src\PdfReader\PdfReaderException.php:18 Stack trace: #0 {main} thrown in G:\XAMPP\htdocs\aiims\user\Fpdi\src\PdfReader\PdfReaderException.php on line 18