Fatal error: Uncaught Error: Class "JMS\Serializer\Exception\RuntimeException" not found in C:\xampp\htdocs\bateriasec\vendor\jms\serializer\src\Exception\ValidationFailedException.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bateriasec\vendor\jms\serializer\src\Exception\ValidationFailedException.php on line 9