23:43:20 Create new PHPExcel object
23:43:20 Set document properties
23:43:20 Add some data
23:43:20 Define named ranges
23:43:20 Rename named ranges
23:43:20 Rename worksheet
23:43:20 Create new Worksheet object
23:43:20 Add some data
23:43:20 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 C:\xampp\htdocs\oa\vendor\phpoffice\phpexcel\Classes\PHPExcel\Worksheet.php on line 1164