Deprecated: Symfony\Component\Serializer\Normalizer\DateIntervalNormalizer::normalize(): Implicitly marking parameter $format as nullable is deprecated, the explicit nullable type must be used instead in /home/aramisn/wws/vendor/symfony/serializer/Normalizer/DateIntervalNormalizer.php on line 41

Deprecated: Symfony\Component\Serializer\Normalizer\DateIntervalNormalizer::supportsNormalization(): Implicitly marking parameter $format as nullable is deprecated, the explicit nullable type must be used instead in /home/aramisn/wws/vendor/symfony/serializer/Normalizer/DateIntervalNormalizer.php on line 53

Deprecated: Symfony\Component\Serializer\Normalizer\DateIntervalNormalizer::denormalize(): Implicitly marking parameter $format as nullable is deprecated, the explicit nullable type must be used instead in /home/aramisn/wws/vendor/symfony/serializer/Normalizer/DateIntervalNormalizer.php on line 72

Deprecated: Symfony\Component\Serializer\Normalizer\DateIntervalNormalizer::supportsDenormalization(): Implicitly marking parameter $format as nullable is deprecated, the explicit nullable type must be used instead in /home/aramisn/wws/vendor/symfony/serializer/Normalizer/DateIntervalNormalizer.php on line 121

Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Normalizer\NormalizerInterface" not found in /home/aramisn/wws/vendor/symfony/serializer/Normalizer/DateIntervalNormalizer.php:23 Stack trace: #0 {main} thrown in /home/aramisn/wws/vendor/symfony/serializer/Normalizer/DateIntervalNormalizer.php on line 23