Fatal error: Uncaught Error: Class 'PhpOffice\PhpWord\Element\AbstractContainer' not found in C:\AppServ\www\doraintrade\vendor\phpoffice\phpword\src\PhpWord\Element\TrackChange.php:28 Stack trace: #0 {main} thrown in C:\AppServ\www\doraintrade\vendor\phpoffice\phpword\src\PhpWord\Element\TrackChange.php on line 28