Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Normalizer\NormalizerInterface" not found in /home/intentexperts/public_html/cs/install-dir/vendor/symfony/serializer/Debug/TraceableNormalizer.php:30 Stack trace: #0 {main} thrown in /home/intentexperts/public_html/cs/install-dir/vendor/symfony/serializer/Debug/TraceableNormalizer.php on line 30