User CMDB APIs

User CMDB APIs

When I want update Users (As Customer  New CI) via API this error appears
All sys field updated except additional filed

{
    "API": {
        "response": {
            "operation": {
                "result": {
                    "statuscode": 3016,
                    "message": "User CMDB APIs are not supported in this format for ESM builds that have portals. Please use the V3 format.",
                    "status": "Unable to perform the requested operation."
                },
                "name": "update"
            }
        },
        "version": 1
    }
}