Warning: require_once(jpgraph_plotmark.inc.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\PBN\PSAproduction3\jpgraph_scatter.php on line 11

Fatal error: Uncaught Error: Failed opening required 'jpgraph_plotmark.inc.php' (include_path='.;C:\php\pear') in C:\xampp\htdocs\PBN\PSAproduction3\jpgraph_scatter.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\PBN\PSAproduction3\jpgraph_scatter.php on line 11