Fatal error: Uncaught Error: Class "LinearScale" not found in D:\HTTP\htdocs\gincludes\jpgraph-3.5.0b1-pro\src\jpgraph_date.php:49 Stack trace: #0 {main} thrown in D:\HTTP\htdocs\gincludes\jpgraph-3.5.0b1-pro\src\jpgraph_date.php on line 49