Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /users/quirl/www/filemanager/spark/protected/runtime/updater/backups/vendor_1719561010/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/StringTable.php:15 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/runtime/updater/backups/vendor_1719561010/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/StringTable.php on line 15