Fatal error: Uncaught ArgumentCountError: Too few arguments to function QRCode::__construct(), 0 passed in C:\xampp\htdocs\all\QR\scan_qr.php on line 19 and at least 2 expected in C:\xampp\htdocs\all\QR\classes\QRCode.php:12 Stack trace: #0 C:\xampp\htdocs\all\QR\scan_qr.php(19): QRCode->__construct() #1 {main} thrown in C:\xampp\htdocs\all\QR\classes\QRCode.php on line 12