03:18:07 Create new PHPExcel object
03:18:07 Set document properties
03:18:07 Add some data
03:18:07 Define named ranges
03:18:07 Rename named ranges
03:18:07 Rename worksheet
03:18:07 Create new Worksheet object
03:18:07 Add some data
03:18:07 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/imfmm/public_html/formation-initiale/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php on line 1164