Fatal error: Uncaught Error: Interface 'JMS\Serializer\SerializerInterface' not found in /home/lafaamicps/www/symfony/vendor/jms/serializer/src/JMS/Serializer/Serializer.php:34 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/jms/serializer/src/JMS/Serializer/Serializer.php on line 34