Fatal error: Uncaught Error: Class "ApiPlatform\Serializer\AbstractCollectionNormalizer" not found in /usr/home/adamus1234/domains/localization.adamus1234.smallhost.pl/public_html/vendor/api-platform/core/src/JsonApi/Serializer/CollectionNormalizer.php:30
Stack trace:
#0 {main}
  thrown in /usr/home/adamus1234/domains/localization.adamus1234.smallhost.pl/public_html/vendor/api-platform/core/src/JsonApi/Serializer/CollectionNormalizer.php on line 30