Fatal error: Uncaught PHPExcel_Exception: Cell coordinate must not be absolute. in /var/www/html/plugin/PHPExcel/Classes/PHPExcel/Worksheet.php:1174 Stack trace: #0 /var/www/html/plugin/PHPExcel/Classes/PHPExcel/Worksheet.php(1085): PHPExcel_Worksheet->getCell() #1 /var/www/html/plugin/PHPExcel/Examples/member.php(76): PHPExcel_Worksheet->setCellValue() #2 {main} thrown in /var/www/html/plugin/PHPExcel/Classes/PHPExcel/Worksheet.php on line 1174