Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Bundle\Bundle" not found in C:\xampp\htdocs\BK\bateriasec\vendor\jms\serializer-bundle\JMSSerializerBundle.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\BK\bateriasec\vendor\jms\serializer-bundle\JMSSerializerBundle.php on line 18