Fatal error: Uncaught Error: Class "PhpOffice\PhpWord\Element\AbstractElement" not found in D:\Apache24\www\silian\back-end\vendor\phpoffice\phpword\src\PhpWord\Element\Bookmark.php:25 Stack trace: #0 {main} thrown in D:\Apache24\www\silian\back-end\vendor\phpoffice\phpword\src\PhpWord\Element\Bookmark.php on line 25