Warning: require_once(./libraries/chart/pma_pchart_pie.php) [function.require-once]: failed to open stream: No such file or directory in C:\WWW\phpMyAdmin\libraries\chart.lib.php on line 14

Fatal error: require_once() [function.require]: Failed opening required './libraries/chart/pma_pchart_pie.php' (include_path='.;C:\php\pear') in C:\WWW\phpMyAdmin\libraries\chart.lib.php on line 14