Fatal error: Uncaught Error: Interface "JMS\Serializer\Annotation\SerializerAttribute" not found in /var/www/html/src/vendor/jms/serializer/src/Annotation/XmlKeyValuePairs.php:12 Stack trace: #0 {main} thrown in /var/www/html/src/vendor/jms/serializer/src/Annotation/XmlKeyValuePairs.php on line 12