Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Exception\HttpException' not found in /var/www/api_backup/vendor/symfony/http-kernel/Exception/ConflictHttpException.php:17 Stack trace: #0 {main} thrown in /var/www/api_backup/vendor/symfony/http-kernel/Exception/ConflictHttpException.php on line 17