Microsoft.DataTransfer.Common.Shared.HybridDeliveryException TypeName не может быть пустым

Question

У меня есть фабрика данных, которая копирует данные из полноценного веб-сервиса в хранилище данных Azure.Я протестировал и предварительно просмотрел все соединения и наборы данных.
Я получаю следующее сообщение об ошибке.

{
    "errorCode": "2200",  
    "message":   "ErrorCode=InvalidParameter,'Type=Microsoft.DataTransfer.Common.Shared.HybridDeliveryException,Message=The value of the property 'typeName' is invalid: 'Value cannot be null.\r\nParameter name: typeName'.,Source=,''Type=System.ArgumentNullException,Message=Value cannot be null.\r\nParameter name: typeName,Source=Microsoft.DataTransfer.Common,'",
    "failureType": "UserError",  
    "target": "ImportLegs"  
}

Источник конвейера

{
    "name": "Import Trip Data",
    "properties": {
        "activities": [
            {
                "name": "ImportLegs",
                "type": "Copy",
                "policy": {
                    "timeout": "7.00:00:00",
                    "retry": 0,
                    "retryIntervalInSeconds": 30,
                    "secureOutput": false,
                    "secureInput": false
                },
                "userProperties": [
                    {
                        "name": "Source",
                        "value": "flightleg?StartDate=01/01/2018&EndDate=02/01/2018"
                    },
                    {
                        "name": "Destination",
                        "value": "[Trip].[Leg]"
                    }
                ],
                "typeProperties": {
                    "source": {
                        "type": "RestSource",
                        "httpRequestTimeout": "00:01:40",
                        "requestInterval": "00.00:00:00.010"
                    },
                    "sink": {
                        "type": "SqlDWSink",
                        "allowPolyBase": false,
                        "writeBatchSize": 10000
                    },
                    "enableStaging": false,
                    "enableSkipIncompatibleRow": true,
                    "translator": {
                        "type": "TabularTranslator",
                        "mappings": [
                            {
                                "source": {
                                    "path": "id"
                                },
                                "sink": {
                                    "name": "Origin"
                                }
                            },
                            {
                                "source": {
                                    "path": "actualArrivalDateLocal"
                                },
                                "sink": {
                                    "name": "Destination"
                                }
                            },
                            {
                                "source": {
                                    "path": "actualArrivalDateUTC"
                                },
                                "sink": {
                                    "name": "FlightLogDistance"
                                }
                            },
                            {
                                "source": {
                                    "path": "actualBlockTime"
                                },
                                "sink": {
                                    "name": "FlightLogFlightTime"
                                }
                            },
                            {
                                "source": {
                                    "path": "actualDepartureDateLocal"
                                },
                                "sink": {
                                    "name": "Aircraft"
                                }
                            },
                            {
                                "source": {
                                    "path": "actualDepartureDateUTC"
                                },
                                "sink": {
                                    "name": "ScheduledDepartDate"
                                }
                            }
                        ]
                    }
                },
                "inputs": [
                    {
                        "referenceName": "FlightLeg",
                        "type": "DatasetReference"
                    }
                ],
                "outputs": [
                    {
                        "referenceName": "TripLegDW",
                        "type": "DatasetReference"
                    }
                ]
            }
        ]
    },
    "type": "Microsoft.DataFactory/factories/pipelines"
}