The workspace contains some nodes that are not properly configured

General
8 
{
        "id": "9ff48ef4.6d5bc",
        "type": "mqtt in",
        "z": 0,
        "name": "",
        "topic": "parkinglights/#",
        "qos": "1",
        "broker": "",
        "x": 210,
        "y": 900,
        "wires": [
            [
                "882d0946.4a19c8",
                "253b7831.334bc8",
                "97698b44.caef68"
            ]
        ]
    }