Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Rels.php:12
Stack trace:
#0 {main}
thrown in /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Rels.php on line 12