22:07:39 Create new PHPExcel object
22:07:40 Set document properties
22:07:40 Add some data
22:07:40 Define named ranges
22:07:40 Rename named ranges
22:07:40 Rename worksheet
22:07:40 Create new Worksheet object
22:07:40 Add some data
22:07:40 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 D:\whospost\dv\vendor\phpoffice\phpexcel\Classes\PHPExcel\Worksheet.php on line 1164