Deprecated: PHPExcel_Writer_Excel2007::__construct(): Implicitly marking parameter $pPHPExcel as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/dev/sophia_frm_ext_lib/extensions/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 113

Deprecated: PHPExcel_Writer_Excel2007::setPHPExcel(): Implicitly marking parameter $pPHPExcel as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/dev/sophia_frm_ext_lib/extensions/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 384

Fatal error: Uncaught Error: Class "PHPExcel_Writer_Abstract" not found in /var/www/html/dev/sophia_frm_ext_lib/extensions/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:36 Stack trace: #0 {main} thrown in /var/www/html/dev/sophia_frm_ext_lib/extensions/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 36