13:59:09 Create new PHPExcel object
13:59:09 Set document properties
13:59:09 Add some data
13:59:09 Define named ranges
13:59:09 Rename named ranges
13:59:09 Rename worksheet
13:59:09 Create new Worksheet object
13:59:09 Add some data
13:59:09 Resolve range
Cell B1 {=PersonFN}: Maarten
Cell B3 {=PersonFN & " " & PersonLN}: Maarten Balliauw
Cell Person!B1:
Fatal error: Uncaught Error: Call to a member function getCell() on null in /var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php:1164 Stack trace: #0 /var/www/html/vendor/phpoffice/phpexcel/Examples/19namedrange.php(99): PHPExcel_Worksheet->getCell('PERSON!B1') #1 {main} thrown in /var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php on line 1164