01:23:27 Create new PHPExcel object<br />01:23:27 Set document properties<br />01:23:27 Add some data<br /><br />
<b>Fatal error</b>:  Class 'PHPExcel_Cell_DataType' not found in <b>/home/ymswebso/public_html/winhaitivilla/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php</b> on line <b>1221</b><br />