采购入库单审核报错

外购入库单审核失败.单号: CGRK00545,错误信息: 未将对象引用设置到对象的实例。
Server stack trace:
在 Kingdee.K3.MFG.PLN.App.Core.AppBusinessService.ROWriteDownBusinessService.DataPreparation(IEnumerable`1 currentBills)
在 Kingdee.K3.MFG.PLN.App.Core.AppBusinessService.ROWriteDownBusinessService.DoActionBatch(AppBusinessServiceArgs e)
在 Kingdee.BOS.App.Core.AbstractOprerationService.ExecuteFormBusinessService(IAppFormBusinessService iBusiness, ExtendedDataEntity[] dataEntities, FormBusinessService service)
在 Kingdee.BOS.App.Core.AbstractOprerationService.InvokeFormBusiness(DynamicObject[] objs, Int32 iActionPoint)
在 Kingdee.BOS.App.Core.AbstractOprerationService.CallOperation(DynamicObject[]& objs)
在 Kingdee.BOS.App.Core.AbstractOprerationService.CallOperatinTransaction(DynamicObject[] objs)
在 Kingdee.BOS.App.Core.AbstractOprerationService.DoExcete()
在 Kingdee.BOS.App.Core.AbstractOprerationService.Excute(Object[] ids)
在 Kingdee.BOS.App.Core.AbstractSetStatus.Excute(Object[] ids)
在 Kingdee.BOS.App.Core.SetStatusService.SetBillStatus(Context ctx, BusinessInfo businessInfo, List`1 pkEntryIds, List`1 paras, String operationNumber, OperateOption option)

Exception rethrown at [0]:
在 Kingdee.BOS.ServiceHelper.BusinessDataServiceHelper.SetBillStatus(Context ctx, BusinessInfo businessInfo, List`1 pkEntryIds, List`1 paras, String operationNumber, OperateOption option)
在 Kingdee.BOS.WebApi.FormService.AbstractStatusConvert.ExecuteStatusConvert(List`1 paras)
在 Kingdee.BOS.WebApi.FormService.Audit.Execute()
在 Kingdee.BOS.WebApi.FormService.BillOperationService.ExecuteOperation(FormOperation op, String data),

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