Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart' not found in /home/maplywuk/truedemocratic.party/core/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Workbook.php:12 Stack trace: #0 {main} thrown in /home/maplywuk/truedemocratic.party/core/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Workbook.php on line 12