Fatal error: Uncaught Error: Interface "FOS\RestBundle\Serializer\Serializer" not found in C:\xampp\htdocs\BK\bateriasec\vendor\friendsofsymfony\rest-bundle\Serializer\SymfonySerializerAdapter.php:22 Stack trace: #0 {main} thrown in C:\xampp\htdocs\BK\bateriasec\vendor\friendsofsymfony\rest-bundle\Serializer\SymfonySerializerAdapter.php on line 22