23:58:16 Create new PHPExcel object
23:58:16 Set document properties
23:58:16 Add some data
23:58:16 Define named ranges
23:58:16 Rename named ranges
23:58:16 Rename worksheet
23:58:16 Create new Worksheet object
23:58:16 Add some data
23:58:16 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/application/formation-professionnelle/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php on line 1164