Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Normalizer\NormalizerInterface" not found in /var/www/crm_killing_ninja/vendor/api-platform/core/src/Elasticsearch/Serializer/ItemNormalizer.php:31 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/vendor/api-platform/core/src/Elasticsearch/Serializer/ItemNormalizer.php on line 31