Fatal error: Uncaught Error: Class 'Symfony\Component\Serializer\Exception\RuntimeException' not found in /home/rykfgln/www/4.ta.a/vendor/symfony/serializer/Exception/CircularReferenceException.php:19 Stack trace: #0 {main} thrown in /home/rykfgln/www/4.ta.a/vendor/symfony/serializer/Exception/CircularReferenceException.php on line 19