Fatal error: Uncaught Error: Class 'PhpOffice\PhpWord\Style\AbstractStyle' not found in /var/www/app/appregwebservice/vendor/phpoffice/phpword/src/PhpWord/Style/Outline.php:27 Stack trace: #0 {main} thrown in /var/www/app/appregwebservice/vendor/phpoffice/phpword/src/PhpWord/Style/Outline.php on line 27