18:06:38 Create new PHPExcel object
18:06:38 Set document properties
18:06:38 Add some data
18:06:38 Define named ranges
18:06:38 Rename named ranges
18:06:38 Rename worksheet
18:06:38 Create new Worksheet object
18:06:38 Add some data
18:06:38 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 /home/sorianoariza/appssori/proyectos-laravel/profuturo-retenciones-issste/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php:1164 Stack trace: #0 /home/sorianoariza/appssori/proyectos-laravel/profuturo-retenciones-issste/vendor/phpoffice/phpexcel/Examples/19namedrange.php(99): PHPExcel_Worksheet->getCell('PERSON!B1') #1 {main} thrown in /home/sorianoariza/appssori/proyectos-laravel/profuturo-retenciones-issste/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php on line 1164