22:36:59 Create new PHPExcel object
22:36:59 Set document properties
22:36:59 Add some data
22:36:59 Define named ranges
22:36:59 Rename named ranges
22:36:59 Rename worksheet
22:36:59 Create new Worksheet object
22:36:59 Add some data
22:36:59 Resolve range
Cell B1 {=PersonFN}: Maarten
Cell B3 {=PersonFN & " " & PersonLN}: Maarten Balliauw
Cell Person!B1:
Fatal error: Call to a member function getCell() on null in /home/rrhhutem/public_html/idp-4f/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php on line 1164