18:12:22 Create new PHPExcel object<br />18:12:22 Set document properties<br />18:12:22 Add some data<br />18:12:22 Define named ranges<br />18:12:22 Rename named ranges<br />18:12:22 Rename worksheet<br />18:12:22 Create new Worksheet object<br />18:12:22 Add some data<br />18:12:22 Resolve range<br />Cell B1 {=PersonFN}: Maarten<br />Cell B3 {=PersonFN & " " & PersonLN}: Maarten Balliauw<br />Cell Person!B1: <br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function getCell() on null in /var/www/html/var/www/html/old codes/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php:1164
Stack trace:
#0 /var/www/html/var/www/html/old codes/vendor/phpoffice/phpexcel/Examples/19namedrange.php(99): PHPExcel_Worksheet-&gt;getCell('PERSON!B1')
#1 {main}
  thrown in <b>/var/www/html/var/www/html/old codes/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php</b> on line <b>1164</b><br />