23:27:57 Create new PHPExcel object
23:27:57 Set document properties
23:27:57 Add some data
23:27:57 Define named ranges
23:27:57 Rename named ranges
23:27:57 Rename worksheet
23:27:57 Create new Worksheet object
23:27:57 Add some data
23:27:57 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/kafo/public_html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php on line 1164