15:00:48 Create new PHPExcel object
15:00:48 Set document properties
15:00:48 Add some data
15:00:48 Define named ranges
15:00:48 Rename named ranges
15:00:48 Rename worksheet
15:00:48 Create new Worksheet object
15:00:48 Add some data
15:00:48 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 /var/www/BUYA/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php on line 1164