Fatal error: Uncaught Error: Class 'Metadata\Driver\AbstractFileDriver' not found in /home/lafaamicps/www/symfony/vendor/jms/serializer/src/JMS/Serializer/Metadata/Driver/YamlDriver.php:31 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/jms/serializer/src/JMS/Serializer/Metadata/Driver/YamlDriver.php on line 31