Fatal error: Uncaught Error: Class "JMS\Serializer\EventDispatcher\ObjectEvent" not found in C:\xampp\htdocs\bateriasec\vendor\jms\serializer\src\EventDispatcher\PreSerializeEvent.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bateriasec\vendor\jms\serializer\src\EventDispatcher\PreSerializeEvent.php on line 7