03:22:39 Create new PHPExcel object
03:22:39 Set document properties
03:22:39 Add some data
03:22:39 Define named ranges
03:22:39 Rename named ranges
03:22:39 Rename worksheet
03:22:39 Create new Worksheet object
03:22:39 Add some data
03:22:39 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/cheb/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php on line 1164