Fatal error: Uncaught Error: Class 'PhpOffice\PhpWord\Writer\RTF\Part\AbstractPart' not found in /var/www/app/appregwebservice/vendor/phpoffice/phpword/src/PhpWord/Writer/RTF/Part/Header.php:38 Stack trace: #0 {main} thrown in /var/www/app/appregwebservice/vendor/phpoffice/phpword/src/PhpWord/Writer/RTF/Part/Header.php on line 38