K3Cloud Web API保存客户失败

JSON如下：
{
"Creator": "",
"NeedUpDateFields": [

],
"NeedReturnFields": [

],
"IsDeleteEntry": "True",
"SubSystemId": "",
"IsVerifyBaseDataField": "false",
"IsEntryBatchFill": "True",
"Model": {
"FCUSTID": 0,
"FCreateOrgId": {
"FNumber": "100"
},
"FUseOrgId": {
"FNumber": "100"
},
"FName": "测试客户002",
"FCOUNTRY": {
"FNumber": "China"
},
"FIsDefPayer": false,
"FIsGroup": false,
"FCustTypeId": {
"FNumber": "KHLB001_SYS"
},
"FGroup": {
"FNumber": "01"
},
"FTRADINGCURRID": {
"FNumber": "PRE001"
},
"FTaxType": {
"FNumber": "SFL02_SYS"
},
"FInvoiceType": "1",
"F_CSG_YunCheck": false,
"FPriority": 1,
"FISCREDITCHECK": false,
"FIsTrade": false,
"F_PAEZ_Type_of_trade": {
"FNumber": "MYRX01"
},
"FT_BD_CUSTOMEREXT": {
"FEnableSL": false,
"FPROVINCE": {
"FNumber": "CRMProvince001"
}
},
"FT_BD_CUSTLOCATION": [
{
"FContactId": {
"FNumber": "CXR000158"
},
"FIsDefaultConsigneeCT": false
}
]
}
}

调用时一直提示：
{"Result":{"ResponseStatus":{"ErrorCode":500,"IsSuccess":false,"Errors":[{"FieldName":"【字段Key：FT_BD_CUSTLOCATION，字段名：联系人】;实体类型BD_CUSTLOCATION中不存在名为Id的属性","Message":" 在 Kingdee.BOS.WebApi.FormService.MapPropertyService.MapComplexProperty(String pkProperty, Dictionary`2 sourceObj, DynamicObject targetObj, Int32 rowIndex, HashSet`1 NeedUpDateFields)\r\n 在 Kingdee.BOS.WebApi.FormService.Save.Revole()\r\n 在 Kingdee.BOS.WebApi.FormService.Save.Execute()\r\n 在 Kingdee.BOS.WebApi.FormService.BillOperationService.ExecuteOperation(FormOperation op, String data)","DIndex":0}],"SuccessEntitys":[],"SuccessMessages":[],"MsgCode":0}}}

请各位大神帮忙看下