Fatal error: Uncaught Error: Interface "Hateoas\Serializer\SerializerInterface" not found in /home/flighto/e-commerce/vendor/willdurand/hateoas-bundle/Tests/Fixtures/JsonSerializer.php:11 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/willdurand/hateoas-bundle/Tests/Fixtures/JsonSerializer.php on line 11