Fatal error: Uncaught Error: Class "PhpOffice\PhpWord\Collection\AbstractCollection" not found in D:\Apache24\www\silian\back-end\vendor\phpoffice\phpword\src\PhpWord\Collection\Footnotes.php:28 Stack trace: #0 {main} thrown in D:\Apache24\www\silian\back-end\vendor\phpoffice\phpword\src\PhpWord\Collection\Footnotes.php on line 28