Warning: require_once(jpgraph/jpgraph_barcode.php): failed to open stream: No such file or directory in D:\0WEB\Apache24\0_HtDocs\jpgraph\barcode\examples\barcode_ex4.php on line 5

Fatal error: require_once(): Failed opening required 'jpgraph/jpgraph_barcode.php' (include_path='.;C:\php\pear') in D:\0WEB\Apache24\0_HtDocs\jpgraph\barcode\examples\barcode_ex4.php on line 5