ErrorMessage

ErrCode	ErrMsg	Description
4001	Invalid url	(404) The server has not found anything matching the Request-URI
4002	Invalid credential	(401) Missing Authentication: Basic {base64 apikey} in header or the authentication value is not correct
4003	Invalid parameter	(400) Invalid parameter, parameter type mismatch
4004	Invalid m2Id	(400) MeasureSquare ID no found
4005	Invalid projectId	(400) Project no found
4006	Invalid updateTime	(400) Invalid UpdateTime
4101	Parsing file failed	(400) Parsing file failed
5001	Unknown Error	(500) Unknown error

Sample

        Request without Authentication 

        Response

        Status: 401/Unauthorized
        Body:
        {
            "ErrCode": 4002,
            "ErrMsg": "Invalid credential"
        }