UnknownError When I try to call unbilled daily rated usage reconciliation API v2

Hi ,

When I try to call https://graph.microsoft.com/v1.0/reports/partners/billing/usage/unbilled/export using my token, it returns a 200, but response get error message:

{

  "error": {

    "code": "UnknownError",

    "message": "",

    "innerError": {

      "date": "2024-09-09T07:50:48",

      "request-id": "bd3c11c3-85f3-44a4-a63c-b1efafb10224",

      "client-request-id": "bd3c11c3-85f3-44a4-a63c-b1efafb10224"

    }
  }
}