Fatal error: Uncaught Error: Class 'Gedmo\Mapping\MappedEventSubscriber' not found in C:\xampp\htdocs\ApiSigestWin\vendor\gedmo\doctrine-extensions\lib\Gedmo\Sluggable\SluggableListener.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\vendor\gedmo\doctrine-extensions\lib\Gedmo\Sluggable\SluggableListener.php on line 23