Fatal error: Uncaught Error: Class "Sylius\Bundle\FixturesBundle\Listener\AbstractListener" not found in /home/flighto/e-commerce/vendor/sylius/fixtures-bundle/src/Listener/MongoDBPurgerListener.php:21 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/sylius/fixtures-bundle/src/Listener/MongoDBPurgerListener.php on line 21