Fatal error: Uncaught Error: Class "Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer" not found in /usr/home/szczypiorofix/domains/drupal.wroblewskipiotr.pl/public_html/vendor/symfony/serializer/Normalizer/ObjectNormalizer.php:36
Stack trace:
#0 {main}
  thrown in /usr/home/szczypiorofix/domains/drupal.wroblewskipiotr.pl/public_html/vendor/symfony/serializer/Normalizer/ObjectNormalizer.php on line 36