additem issue

Here is the error SMS below ：

TypeError: Cannot use 'in' operator to search for 'Durability' in undefined

at Function.addMissingCondition (E:\Client.0.12.10.2.12646\obj\bundle.js:50321:40)

at Function.getItemCondition (E:\Client.0.12.10.2.12646\obj\bundle.js:50298:30)

at Function.createOffer (E:\Client.0.12.10.2.12646\obj\bundle.js:50183:27)

at Function.generateTraderOffers (E:\Client.0.12.10.2.12646\obj\bundle.js:50147:21)

at Function.update (E:\Client.0.12.10.2.12646\obj\bundle.js:50103:23)

at Function.load (E:\Client.0.12.10.2.12646\obj\bundle.js:50050:19)

at Object.load [as aki-ragfair] (E:\Client.0.12.10.2.12646\obj\bundle.js:41601:19)

at Function.load (E:\Client.0.12.10.2.12646\obj\bundle.js:50597:27)

at Function.main (E:\Client.0.12.10.2.12646\obj\bundle.js:40117:9)

at Object.142../Lib.js (E:\Client.0.12.10.2.12646\obj\bundle.js:40122:9)

[SUCCESS] Started webserver at https://127.0.0.1:443

[SUCCESS] Started websocket at wss://127.0.0.1:443

The problem are when i add newitem data into traders assort file (54cb50c76803fa8b248b4571) like add a bullt or anything .than the erroe SMS is show up. in the server 1.40 , is normal.
like is :

    "items": [

{
            "_id": "DBP10", <---newitem
            "_tpl": "DBP10",
            "upd": {
                "UnlimitedCount": true,
                "StackObjectsCount": 999999999
},
            "parentId": "hideout",
            "slotId": "hideout"
},

.....

   "barter_scheme": {

        "DBP10": [
[
{
                    "count": 500,
                    "_tpl": "5449016a4bdc2d6f028b456f"
}
]
],

....

    "loyal_level_items": {

        "DBP10": 2,

......