Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Chart\Properties" not found in /var/www/erp/PhpSpreadsheet-master/src/PhpSpreadsheet/Chart/GridLines.php:11
Stack trace:
#0 {main}
thrown in /var/www/erp/PhpSpreadsheet-master/src/PhpSpreadsheet/Chart/GridLines.php on line 11