Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart' not found in /home/souqalhi/public_html/malyaan.net/api/libs/PhpSpreadSheet-master/PhpOffice/PhpSpreadsheet/Writer/Xlsx/Theme.php:8 Stack trace: #0 {main} thrown in /home/souqalhi/public_html/malyaan.net/api/libs/PhpSpreadSheet-master/PhpOffice/PhpSpreadsheet/Writer/Xlsx/Theme.php on line 8