Fatal error: Uncaught Error: Class 'Symfony\Component\Routing\Loader\AnnotationClassLoader' not found in /var/www/api_backup/vendor/sensio/framework-extra-bundle/src/Routing/AnnotatedRouteControllerLoader.php:31 Stack trace: #0 {main} thrown in /var/www/api_backup/vendor/sensio/framework-extra-bundle/src/Routing/AnnotatedRouteControllerLoader.php on line 31