Fatal error: Uncaught Error: Interface 'PhpOffice\PhpWord\Writer\WriterInterface' not found in /var/www/app/appregwebservice/vendor/phpoffice/phpword/src/PhpWord/Writer/AbstractWriter.php:31 Stack trace: #0 {main} thrown in /var/www/app/appregwebservice/vendor/phpoffice/phpword/src/PhpWord/Writer/AbstractWriter.php on line 31