Warning: Use of undefined constant PHPEXCEL_ROOT - assumed 'PHPEXCEL_ROOT' (this will throw an Error in a future version of PHP) in D:\Server\Apache24\htdocs\zentaopms\lib\phpexcel\PHPExcel\Shared\trend\trendClass.php on line 29

Warning: require_once(PHPEXCEL_ROOTPHPExcel/Shared/trend/linearBestFitClass.php): failed to open stream: No such file or directory in D:\Server\Apache24\htdocs\zentaopms\lib\phpexcel\PHPExcel\Shared\trend\trendClass.php on line 29

Fatal error: require_once(): Failed opening required 'PHPEXCEL_ROOTPHPExcel/Shared/trend/linearBestFitClass.php' (include_path='.;C:\php\pear') in D:\Server\Apache24\htdocs\zentaopms\lib\phpexcel\PHPExcel\Shared\trend\trendClass.php on line 29