Fatal error: Uncaught Error: Class "Symfony\Bridge\Doctrine\DataFixtures\ContainerAwareLoader" not found in /home/iotechtniu/ioacademy/vendor/doctrine/doctrine-fixtures-bundle/Loader/SymfonyFixturesLoader.php:21 Stack trace: #0 {main} thrown in /home/iotechtniu/ioacademy/vendor/doctrine/doctrine-fixtures-bundle/Loader/SymfonyFixturesLoader.php on line 21