Fatal error: Uncaught Error: Class 'Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer' not found in D:\workspaces\liZiPingBack\vendor\symfony\serializer\Normalizer\GetSetMethodNormalizer.php:35 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\symfony\serializer\Normalizer\GetSetMethodNormalizer.php on line 35