版本：V6.2+PT120590
问题：委外订单下推委外领料单报错，提示“未将对象引用设置到对象的实例”；
QQ：1538765900
{"operation":"BOS_ConvertOpForm.ButtonClick"}]
发生时间： 11:40:12
错误编号： a2459af8e9cc4cccab6cc4d2c8627e1c
错误信息： 未将对象引用设置到对象的实例。
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调用堆栈：
Server stack trace:
在 Kingdee.K3.SCM.App.Core.ConvertBusinessService.BillLotPicker.SetBaseDataById(BOSDynamicRow dyRow, DynamicObject entity, Field baseDataField)
在 Kingdee.K3.SCM.App.Core.ConvertBusinessService.BillLotPicker.FillNewEntityBaseDatas(List`1 entitys)
在 Kingdee.K3.SCM.App.Core.ConvertBusinessService.BillLotPicker.PickLotAndExpiry(ExtendedDataEntity[] billEntitys, ExtendedDataEntitySet entitySet)
在 Kingdee.K3.SCM.App.Core.ConvertBusinessService.BillLotPicker.PickBillLot(ExtendedDataEntitySet datEntitySet)
在 Kingdee.K3.SCM.App.Core.ConvertBusinessService.LotPicking.DoActionBatch(PushBusinessServiceArgs e)
在 Kingdee.BOS.App.Core.Convertible.ExecuteFormBusinessAction.ExecuteFormBusinessService(IDynamicFormModel model, FormBusinessService service, IPushFormBusinessService executeService)
在 Kingdee.BOS.App.Core.Convertible.ExecuteFormBusinessAction.Do()
在 Kingdee.BOS.Core.BusinessPolicyModel.BusinessPolicyEngine.Do(OperateOption context)
在 Kingdee.BOS.App.Core.Convertible.ConvertEngine.OnCreating(PushArgs pushArgs, OperateOption option)
在 Kingdee.BOS.App.Core.ConvertService.Push(Context ctx, PushArgs serviceArgs, OperateOption option, Boolean validPermission)
Exception rethrown at [0]:
在 System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
在 System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
在 Kingdee.BOS.Contracts.IConvertService.Push(Context ctx, PushArgs serviceArgs, OperateOption option, Boolean validPermission)
在 Kingdee.BOS.ServiceHelper.ConvertServiceHelper.Push(Context ctx, PushArgs serviceArgs, OperateOption option)
在 Kingdee.BOS.Business.Bill.Operation.Push.DoPush(OpFormReturnInfo retInfo, ListSelectedRow[] thisViewSelectedRows, ListSelectedRow[] selectedRows)
在 Kingdee.BOS.Business.Bill.Operation.Push.<>c__DisplayClassb.
在 Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.DoCallBackAction(Object returnData, Action`1 action)
在 Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.FormClosedCallBack(String id, Boolean isSyncCall)
在 Kingdee.BOS.Web.DynamicForm.AbstractDynamicWebFormView.CloseWindow()
在 Kingdee.BOS.Web.DynamicForm.AbstractDynamicWebFormView.OnClose()
在 Kingdee.BOS.Business.DynamicForm.ConvertPlugIn.ConvertOpFormEdit.ButtonClick(ButtonClickEventArgs e)
在 Kingdee.BOS.Core.DynamicForm.PlugIn.DynamicFormViewPlugInProxy.FireButtonClick(ButtonClickEventArgs e)
在 Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.ButtonClick(String key, String menuKey)
在 Kingdee.BOS.Web.DynamicForm.DynamicWebFormController.ButtonClick(String buttonKey, String menuKey, JSONArray postDatas)