11:27:56 Create new PHPExcel object
11:27:56 Set document properties
11:27:56 Add some data
11:27:56 Define named ranges
11:27:56 Rename named ranges
11:27:56 Rename worksheet
11:27:56 Create new Worksheet object
11:27:56 Add some data
11:27:56 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/infusionapi/public_html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php on line 1164