Fatal error: Uncaught Error: Interface "chillerlan\QRCode\Data\QRDataInterface" not found in D:\xampp\htdocs\stream.howto.co.ug\chillerlan\QRCode\Data\QRDataAbstract.php:24 Stack trace: #0 {main} thrown in D:\xampp\htdocs\stream.howto.co.ug\chillerlan\QRCode\Data\QRDataAbstract.php on line 24