"End time can not be a past date." on getStaffAvailability

Today a request to getStaffAvailability that was working no longer works, has anyone experienced the same issue?

We are using Bookings APIs with application permissions.

API: https://learn.microsoft.com/en-us/graph/api/bookingbusiness-getstaffavailability?view=graph-rest-1.0&tabs=http

Request body:

{
    "staffIds": [
        ...
    ],
    "startDateTime": {
        "dateTime": "2023-07-04T07:00:00",
        "timeZone": "UTC"
    },
    "endDateTime": {
        "dateTime": "2023-08-04T22:00:00",
        "timeZone": "UTC"
    }
}

Response:

{
    "error": {
        "code": "UnknownError",
        "message": "{\"error\":{\"message\":\"End time can not be a past date.\",\"code\":\"Bad Request\"}}",
        "innerError": {
            "date": "2023-11-14T09:23:47",
            "request-id": ...,
            "client-request-id": ...
        }
    }
}