Warning: require_once(phplot.php) [function.require-once]: failed to open stream: No such file or directory in C:\xampp\htdocs\outras\phplot\contrib\data_table.example2.php on line 4

Fatal error: require_once() [function.require]: Failed opening required 'phplot.php' (include_path='.;C:\xampp\php\PEAR') in C:\xampp\htdocs\outras\phplot\contrib\data_table.example2.php on line 4