Fatal error: Declaration of Drupal\field_collection\Normalizer\FieldCollectionItemNormalizer::normalize($field_item, $format = null, array $context = []) must be compatible with Drupal\serialization\Normalizer\ComplexDataNormalizer::normalize($object, $format = null, array $context = []): ArrayObject|array|string|int|float|bool|null in /var/www/MakroLv/modules/field_collection/src/Normalizer/FieldCollectionItemNormalizer.php on line 30