Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Pdf\Core" not found in /var/www/erp/spreadsheet/src/PhpSpreadsheet/Writer/Pdf/MPDF.php:27
Stack trace:
#0 {main}
thrown in /var/www/erp/spreadsheet/src/PhpSpreadsheet/Writer/Pdf/MPDF.php on line 27