Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Normalizer\NormalizerInterface" not found in /home/ramassof/backup.ramas.dev/vendor/symfony/serializer/Tests/Fixtures/StdClassNormalizer.php:16 Stack trace: #0 {main} thrown in /home/ramassof/backup.ramas.dev/vendor/symfony/serializer/Tests/Fixtures/StdClassNormalizer.php on line 16