MRP运算报错

MRP运算过程报错，报错如下：
source:Kingdee.K3.MFG.PLN.App.MrpModel
message:未将对象引用设置到对象的实例。
stacktrace: 在 Kingdee.K3.MFG.PLN.App.MrpModel.Util.MrpDSDataUtil.ProcessPlanOrderDateField(IExtendServiceProvider provider, DynamicObject planOrderData)
在 Kingdee.K3.MFG.PLN.App.MrpModel.PolicyImpl.NetCalc.CommitMemoryDataPolicy.OnExecuteDataPolicy()
在 Kingdee.K3.MFG.PLN.App.MrpModel.AbstractMrpDataPolicy.Execute()
在 Kingdee.K3.MFG.PLN.App.MrpModel.LogicUnitImpl.Mrp.NetCalcLogicUnit.DoLastBatchDataPolicy(MrpDemandDimContext mrpDemandDimContext)
在 Kingdee.K3.MFG.PLN.App.MrpModel.LogicUnitImpl.Mrp.NetCalcLogicUnit.DoComputeLogicByLLC(Decimal dLevelProgress, AbstractDSQueueBuilder demandQueueBuilder, Int64 i)
在 Kingdee.K3.MFG.PLN.App.MrpModel.LogicUnitImpl.Mrp.NetCalcLogicUnit.OnExecuteLogicUnit()
在 Kingdee.K3.MFG.PLN.App.MrpModel.AbstractMrpLogicUnit.Execute()
在 Kingdee.K3.MFG.PLN.App.Core.MrpComputeService.RunMrp(Context ctx, DynamicObject mrpDataObject, OperateOption option)