Fatal error: Uncaught Error: Class "chillerlan\QRCode\Output\QROutputAbstract" not found in D:\xampp\htdocs\stream.howto.co.ug\chillerlan\QRCode\Output\QRFpdf.php:30 Stack trace: #0 {main} thrown in D:\xampp\htdocs\stream.howto.co.ug\chillerlan\QRCode\Output\QRFpdf.php on line 30