Fatal error: Uncaught Symfony\Component\HttpKernel\Exception\NotAcceptableHttpException: No matching accepted Response format could be determined in /application/vendor/friendsofsymfony/rest-bundle/EventListener/FormatListener.php:71 Stack trace: #0 /application/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(212): FOS\RestBundle\EventListener\FormatListener->onKernelRequest(Object(Symfony\Component\HttpKernel\Event\GetResponseEvent), 'kernel.request', Object(Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher)) #1 /application/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(44): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch(Array, 'kernel.request', Object(Symfony\Component\HttpKernel\Event\GetResponseEvent)) #2 /application/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(127): Symfony\Component\EventDispatcher\EventDispatcher->dispatch('kernel.request', Object(Symfony\Component\HttpKernel\Event\GetResponse in /application/vendor/symfony/symfony/src/Symfony/Bridge/Twig/TwigEngine.php on line 127