Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\SerializerInterface" not found in /home/yrdsb11w3creativ/public_html/109/vendor/symfony/serializer/Serializer.php:49
Stack trace:
#0 {main}
thrown in /home/yrdsb11w3creativ/public_html/109/vendor/symfony/serializer/Serializer.php on line 49