Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Normalizer\NormalizerInterface" not found in /var/www/html/sitefelicien/azuracast/backend/src/Normalizer/DateTimeNormalizer.php:26 Stack trace: #0 {main} thrown in /var/www/html/sitefelicien/azuracast/backend/src/Normalizer/DateTimeNormalizer.php on line 26