Fatal error: Uncaught Error: Interface 'Symfony\Component\Serializer\Normalizer\NormalizerInterface' not found in C:\Apache24\htdocs\cwbts\vendor\babdev\pagerfanta-bundle\Serializer\Normalizer\PagerfantaNormalizer.php:9 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cwbts\vendor\babdev\pagerfanta-bundle\Serializer\Normalizer\PagerfantaNormalizer.php on line 9