K3 Cloud web api物料保存提示"将截断字符串或二进制数据"

Json格式如下，保存提示：将截断字符串或二进制数据。语句终止。经测试手动填入可成功，经调试，删除“存货类型”---"FNumber": "CHLB01_SYS" 后面的必填项不提示必填信息，初步怀疑这里填写有问题。
新手一枚，王多多指教，谢谢。


{
"Creator": "user",
"NeedUpDateFields": [
""
],
"Model": {
"FMATERIALID":0,
"FCreateOrgId": {
"FOrgID": 0,
"FNUMBER": "100",
"FNAME": ""
},
"FUseOrgId":{"FOrgID":0,"FNUMBER":"100","FNAME":""},
"FNumber": "101-10-701",
"FName": "示波器",

"BD_MATERIAL__SubHeadEntity": {
"FBARCODE": "",
"FErpClsID": "外购",
"FCategoryID": {
"FNumber": "CHLB01_SYS"
},
"FBaseUnitId": {
"FUNITID": 0,
"FNumber": "kg",
"FName": ""
}
},
"BD_MATERIAL__SubHeadEntity1": {
"FStoreUnitID": {
"FUNITID": 0,
"FNumber": "kg",
"FName": ""
},
"FUnitConvertDir": "库存单位-->辅助单位"
},
"BD_MATERIAL__SubHeadEntity2": {
"FSaleUnitId": {
"FUNITID": 0,
"FNumber": "kg",
"FName": ""
},
"FSalePriceUnitId": {
"FUNITID": 0,
"FNumber": "kg",
"FName": ""
}
},
"BD_MATERIAL__SubHeadEntity3": {
"FPurchaseUnitId": {
"FUNITID": 0,
"FNumber": "kg",
"FName": ""
},
"FPurchasePriceUnitId": {
"FUNITID": 0,
"FNumber": "kg",
"FName": ""
}
},
"BD_MATERIAL__SubHeadEntity4": {
"FPlanningStrategy": "无",
"FMfgPolicyId": {
"FID": 0,
"FNumber": "ZZCL001_SYS",
"FName": "",
"FPlanMode": ""
},
"FOrderPolicy": "LFL(批对批)",
"FFixLeadTime": 0,
"FFixLeadTimeType": "天",
"FVarLeadTime": 0,
"FVarLeadTimeType": "天",
"FCheckLeadTime": 0,
"FCheckLeadTimeType": "天",
"FOrderIntervalTimeType": "天",
"FReserveType": "弱预留",
"FAllowPartAhead": false,
"FCanDelayDays": 0,
"FDelayExtendDay": 0,
"FAllowPartDelay": false,
"FPlanOffsetTimeType": "天",
"FPlanOffsetTime": 0
},
"BD_MATERIAL__SubHeadEntity5": {
"FIssueType": "直接预料",
"FBKFLTime": "",
"FPickStockId": {
"FStockId": 0,
"FNumber": "",
"FName": ""
},
"FPickBinId": {
"FPICKBINID__FOPCODE": ""
},
"FOverControlMode": "允许超发"
},
"BD_MATERIAL__SubHeadEntity7": {
"FSUBCONURNUM": 0,
"FSUBCONURNOM": 0,
"FSUBCONPRICEURNUM": 0,
"FSUBCONPRICEURNOM": 0,
"FSubconUnitId": {
"FUNITID": 0,
"FNumber": "",
"FName": ""
},
"FSubconPriceUnitId": {
"FUNITID": 0,
"FNumber": "",
"FName": ""
},
"FSubBillType": {
"FBILLTYPEID": "",
"FNumber": "",
"FName": "",
"FIsDefault": false
}
},
"BD_MATERIAL__SubHeadEntity6": {
"FCheckIncoming": false,
"FCheckProduct": false,
"FIncSampSchemeId": {
"FID": 0,
"FNumber": "",
"FName": ""
},
"FIncQcSchemeId": {
"FID": 0,
"FNumber": "",
"FName": ""
},
"FCheckStock": false,
"FEnableCyclistQCSTK": false,
"FEnableCyclistQCSTKEW": false,
"FStockCycle": 0,
"FEWLeadDay": 0,
"FCheckReturn": false,
"FCheckDelivery": false
}
}
}