Warning: require_once(jpgraph/jpgraph.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\PBN\jpgraph\Examples\odoex07.php on line 14

Fatal error: Uncaught Error: Failed opening required 'jpgraph/jpgraph.php' (include_path='.;C:\php\pear') in C:\xampp\htdocs\PBN\jpgraph\Examples\odoex07.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\PBN\jpgraph\Examples\odoex07.php on line 14