销售订单增加字段，MRP运算自动携带，计划运算报错

销售订单增加订单级别字段，类型为单选辅助资料列表，MRP运算时报错，是哪里配置有问题呢

source:Kingdee.BOS.Core
message:Object reference not set to an instance of an object.
stacktrace: at Kingdee.BOS.Core.DependencyRules.RowModel.DynamicRowModel.GetFieldSimpleValue(String key)
at Kingdee.K3.MFG.PLN.App.MrpModel.Util.MrpDataPolicyUtil.<>c__DisplayClassf.b__a(DynamicObject sourceDataEntity, Dictionary`2 targetDataEntity)
at Kingdee.K3.MFG.PLN.App.MrpModel.Util.MrpDataPolicyUtil.DoFieldMapping(List`1 handles, DynamicObject sourceDataEntity, Dictionary`2 targetDataEntity)
at Kingdee.K3.MFG.PLN.App.MrpModel.PolicyImpl.NetCalc.CreateNetDemandPolicy.CreateNetDemandData(MrpDemandContext demandContextRow, SUPPLYMANAGEENTRY supplyInfoRow, Decimal dBaseDemandQty, Enu_ReleaseType releaseType)
at Kingdee.K3.MFG.PLN.App.MrpModel.PolicyImpl.NetCalc.CreateNetDemandPolicy.SplitDemandInfoBySupplyRule(MrpDemandContext demandContextRow, Decimal dShortQty)
at Kingdee.K3.MFG.PLN.App.MrpModel.PolicyImpl.NetCalc.CreateNetDemandPolicy.OnExecuteDataPolicy()
at Kingdee.K3.MFG.PLN.App.MrpModel.AbstractMrpDataPolicy.Execute()
at Kingdee.K3.MFG.PLN.App.MrpModel.LogicUnitImpl.Mrp.NetCalcLogicUnit.DoFirstSingleDataPolicy(MrpDemandDimContext mrpDemandDimContext, Dictionary`2 supplyItems)
at Kingdee.K3.MFG.PLN.App.MrpModel.LogicUnitImpl.Mrp.NetCalcLogicUnit.DoComputeLogicByLLC(Decimal dLevelProgress, AbstractDSQueueBuilder demandQueueBuilder, Int64 i)
at Kingdee.K3.MFG.PLN.App.MrpModel.LogicUnitImpl.Mrp.NetCalcLogicUnit.OnExecuteLogicUnit()
at Kingdee.K3.MFG.PLN.App.MrpModel.AbstractMrpLogicUnit.Execute()
at Kingdee.K3.MFG.PLN.App.Core.MrpComputeService.RunMrp(Context ctx, DynamicObject mrpDataObject, OperateOption option)