Error Message

{
  "errors": [
    {
      "message": "At least one parameter must be provided.",
      "extensions": {
        "errorType": "VALIDATION",
        "errorDescription": "Either 'mpan' or 'productCode' must be provided to query settable consent granularities.",
        "errorCode": "KT-GB-4504"
      }
    }
  ]
}