Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Mapping\Loader\LoaderInterface" not found in /home/dodom2/public_html/cgilink.biz/vendor/symfony/serializer/Mapping/Loader/LoaderChain.php:28 Stack trace: #0 {main} thrown in /home/dodom2/public_html/cgilink.biz/vendor/symfony/serializer/Mapping/Loader/LoaderChain.php on line 28