Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart' not found in C:\Web\htdocs\recta\customers\einmed\backend\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Writer\Xlsx\Style.php:17 Stack trace: #0 {main} thrown in C:\Web\htdocs\recta\customers\einmed\backend\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Writer\Xlsx\Style.php on line 17