Description: ------------ When running the examples, notices have appeared and have caused errors in the generation of qr-code. Notice: Undefined property: Image_QRCode::$structureappend_n in /my/dir/Image/QRCode.php on line 1130 Notice: Undefined property: Image_QRCode::$version in /my/dir/Image/QRCode.php on line 670 Notice: Undefined property: Image_QRCode::$version in /my/dir/Image/QRCode.php