Fatal error: Uncaught Error: Class "ImgData" not found in C:\xampp\htdocs\rp_backend\vendor\mitoteam\jpgraph\src\lib\imgdata_stars.inc.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\rp_backend\vendor\mitoteam\jpgraph\src\lib\imgdata_stars.inc.php on line 12