Fatal error: Uncaught Error: Call to undefined method PDF::FPDF() in C:\xampp\htdocs\ecommerce\sigep\fpdf\tutorial\tuto6.php:14 Stack trace: #0 C:\xampp\htdocs\ecommerce\sigep\fpdf\tutorial\tuto6.php(107): PDF->PDF() #1 {main} thrown in C:\xampp\htdocs\ecommerce\sigep\fpdf\tutorial\tuto6.php on line 14