Warning: require_once(lib/GChart/gchart-0.1//GChart.php): failed to open stream: No such file or directory in C:\Work\rnia\lib\vendor\GChart\Chart.php on line 7

Fatal error: require_once(): Failed opening required 'lib/GChart/gchart-0.1//GChart.php' (include_path='C:\xampp_564\php\PEAR') in C:\Work\rnia\lib\vendor\GChart\Chart.php on line 7