[
  {
    "error": {
      "code": 400,
      "message": "Request contains an invalid argument.",
      "status": "INVALID_ARGUMENT",
      "details": [
        {
          "@type": "type.googleapis.com/google.ads.googleads.v26.errors.GoogleAdsFailure",
          "errors": [
            {
              "errorCode": {
                "queryError": "UNRECOGNIZED_FIELD"
              },
              "message": "Unrecognized field in the query: 'campaign.fake_field'."
            }
          ]
        }
      ]
    }
  }
]