"errors": [
        {
            "message": "Variable $input of type CartInput! was provided invalid value for lines.0.id (Field is not defined on CartLineInput)",
            "locations": [
                {
                    "line": 1,
                    "column": 44
                }
            ],
......
                "problems": [
                    {
                        "path": [
                            "lines",
                            0,
                            "id"
                        ],
                        "explanation": "Field is not defined on CartLineInput"
                    }
                ]
            }
        }
    ]
}