13:31:27 Set timezone<br />13:31:27 Set value binder<br />13:31:27 Create new PHPExcel object<br />13:31:27 Set document properties<br />13:31:27 Set default font<br />13:31:27 Set column widths<br />13:31:27 Add some data<br /><br />
<b>Fatal error</b>:  Uncaught Error: Class 'PHPExcel_Calculation_Functions' not found in /home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Calculation/DateTime.php:458
Stack trace:
#0 /home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Shared/Date.php(338): PHPExcel_Calculation_DateTime::DATEVALUE('21 December 198...')
#1 /home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Cell/AdvancedValueBinder.php(162): PHPExcel_Shared_Date::stringToExcel('21 December 198...')
#2 /home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Cell.php(235): PHPExcel_Cell_AdvancedValueBinder-&gt;bindValue(Object(PHPExcel_Cell), '21 December 198...')
#3 /home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Worksheet.php(1029): PHPExcel_Cell-&gt;setValue('21 December 198...')
#4 /home/tyesolutions/public_html/lib/excel/Tests/29advancedvaluebinder.php(131): PHPExcel_Worksheet-&gt;setCellValue('B20', '21 December 198...')
#5 {main}
  thrown in <b>/home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Calculation/DateTime.php</b> on line <b>458</b><br />