Fatal error: Uncaught Error: Trait "Symfony\Component\Serializer\SerializerAwareTrait" not found in /home/lotopou/lpf26/vendor/symfony/serializer/Encoder/XmlEncoder.php:26 Stack trace: #0 {main} thrown in /home/lotopou/lpf26/vendor/symfony/serializer/Encoder/XmlEncoder.php on line 26