Fatal error: Uncaught Error: Class 'FPDF' not found in C:\xampp\htdocs\HTTP\PanDistro\root\v1\resources\fpdi\FpdfTpl.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\HTTP\PanDistro\root\v1\resources\fpdi\FpdfTpl.php on line 18