直接调拨单保存的时候报错

直接调拨的时候出错，一个账号，有的时候能保存，有的时候不能保存。昨天出现一笔，今天出现一笔。

下面是错误堆栈信息：

错误来源： Kingdee.BOS.ServiceHelper
错误信息：Object reference not set to an instance of an object.
===================================================
调用堆栈：

Server stack trace:
at Kingdee.K3.SCM.App.Core.AppBusinessService.LotMasterUpdator.b__6(ObjectFuncInterfaceItem p)
at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)
at Kingdee.K3.SCM.App.Core.AppBusinessService.LotMasterUpdator.IsStockBill()
at Kingdee.K3.SCM.App.Core.AppBusinessService.LotMasterUpdator.ParseConfig(List`1 businessServices, UpdateLotMasterBusinessServiceMeta updateConfig)
at Kingdee.K3.SCM.App.Core.AppBusinessService.UpdateLotMaster.DoAction(AppBusinessServiceArgs e)
at Kingdee.BOS.App.Core.AbstractOprerationService.ExecuteFormBusinessService(IAppFormBusinessService iBusiness, DynamicObject dataObject, FormBusinessService service)
at Kingdee.BOS.App.Core.AbstractOprerationService.InvokeFormBusiness(DynamicObject[] objs, Int32 iActionPoint)
at Kingdee.BOS.App.Core.AbstractOprerationService.CallOperation(DynamicObject[]& objs)
at Kingdee.BOS.App.Core.AbstractOprerationService.CallOperatinTransaction(DynamicObject[] objs)
at Kingdee.BOS.App.Core.AbstractOprerationService.DoExcete()
at Kingdee.BOS.App.Core.AbstractOprerationService.Excute(DynamicObject[] dataEntities)
at Kingdee.BOS.App.Core.SaveService.Save(Context ctx, BusinessInfo info, DynamicObject[] dataEntities, OperateOption option, String operationNumber)

Exception rethrown at [0]:
at Kingdee.BOS.ServiceHelper.BusinessDataServiceHelper.Save(Context ctx, BusinessInfo businessInfo, DynamicObject dataObject, OperateOption option, String operationNumber)
at Kingdee.BOS.Model.Bill.BillModel.Save(OperateOption option)
at Kingdee.BOS.Business.Bill.Operation.Save.ExecuteBillOperation(OperateOption option)
at Kingdee.BOS.Core.DynamicForm.AbstractDynamicFormOperation.Operation(CallBackWfAfterOperation callbackwf, IOperationResult result)
at Kingdee.BOS.Core.DynamicForm.AbstractDynamicFormOperation.Execute(InvokeFormOperation4WfParam param, CallBackWfAfterOperation callbackwf)
at Kingdee.BOS.Web.DynamicForm.OperationCaller.InvokeFormOperation(String operationNumber)
at Kingdee.BOS.Business.DynamicForm.BusinessService.ExcuteOperation.DoAction(FormBusinessServiceArgs e)
at Kingdee.BOS.Core.DynamicForm.FormBusinessServiceUtil.InvokeServices(IDynamicFormView view, Object source, IEnumerable`1 services, Int32 actionType, String activeEntity, DynamicObject activeRow, Int32 rowIndex)
at Kingdee.BOS.Web.DynamicForm.BusinessServiceCaller.InvokeFormBusiness(IDynamicFormView view, Object source, List`1 formBusinessServices, Int32 actionType, String entityKey, Int32 row)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.BarItemClick(String parentKey, String barItemKey, BarDataManager bar, Int32 bartype)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.MainBarItemClick(String barItemKey)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormController.MainBarItemClick(String itemKey, JSONArray postDatas)
错误数据： System.Collections.ListDictionaryInternal