Fatal error: Uncaught Error: Class 'FPDF' not found in C:\xampp\htdocs\dpbb\vendor\codedge\laravel-fpdf\src\Fpdf\tutorial\tuto3.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\dpbb\vendor\codedge\laravel-fpdf\src\Fpdf\tutorial\tuto3.php on line 4