Fatal error: Uncaught Error: Class 'Symfony\Component\Serializer\Context\Normalizer\AbstractNormalizerContextBuilder' not found in C:\xampp\htdocs\plugins\Symfony\Component\Serializer\Context\Normalizer\JsonSerializableNormalizerContextBuilder.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\plugins\Symfony\Component\Serializer\Context\Normalizer\JsonSerializableNormalizerContextBuilder.php on line 19