Fatal error: Uncaught Error: Class 'JMS\Serializer\Metadata\ClassMetadata' not found in /home/lafaamicps/www/symfony/vendor/jms/serializer/tests/JMS/Serializer/Tests/Metadata/Driver/php/ObjectWithVirtualProperties.php:9 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/jms/serializer/tests/JMS/Serializer/Tests/Metadata/Driver/php/ObjectWithVirtualProperties.php on line 9