Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Normalizer\NormalizerInterface" not found in /home/palabrebel/www/kimai/vendor/friendsofsymfony/rest-bundle/Serializer/Normalizer/FormErrorNormalizer.php:24 Stack trace: #0 {main} thrown in /home/palabrebel/www/kimai/vendor/friendsofsymfony/rest-bundle/Serializer/Normalizer/FormErrorNormalizer.php on line 24