Fatal error: Uncaught Error: Class "Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer" not found in /home/yrdsb11w3creativ/public_html/109/vendor/symfony/serializer/Normalizer/PropertyNormalizer.php:39
Stack trace:
#0 {main}
thrown in /home/yrdsb11w3creativ/public_html/109/vendor/symfony/serializer/Normalizer/PropertyNormalizer.php on line 39