Fatal error: Uncaught Error: Class "ImgData" not found in D:\HTTP\htdocs\gincludes\jpgraph-3.5.0b1-pro\src\imgdata_stars.inc.php:12 Stack trace: #0 {main} thrown in D:\HTTP\htdocs\gincludes\jpgraph-3.5.0b1-pro\src\imgdata_stars.inc.php on line 12