Trackid no existe en los registros de la Dian, a que se debe esto?

Question

Estoy generando el kit de pruebas y al enviar las facturas, reponse es Trackid no existe en los registros de la Dian

"Body": {

                "GetStatusResponse": {

                    "GetStatusResult": {

                        "ErrorMessage": {},

                        "IsValid": "false",

                        "StatusCode": "66",

                        "StatusDescription": "TrackId no existe en los registros de la DIAN.",

                        "StatusMessage": {

                            "_attributes": {

                                "nil": "true"

                            }

                        },

                        "XmlBase64Bytes": {

                            "_attributes": {

                                "nil": "true"

                            }

                        },

                        "XmlBytes": {

                            "_attributes": {

                                "nil": "true"

                            }

                        },

                        "XmlDocumentKey": {

                            "_attributes": {

                                "nil": "true"

                            }

                        },

                        "XmlFileName": {

                            "_attributes": {

                                "nil": "true"

                            }

                        }

                    }

                }

            }