成本计算时提示成本核算过程中出错，再次核算还是一样...

成本计算时提示成本核算过程中出错，再次核算还是一样，错误如下，请总部帮助解决，谢谢！
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.
语句已终止。 StackTrace : at Kingdee.BOS.Orm.Drivers.SqlServerBulkCopyTask.Execute(IDbConnection con, IDbTransaction tran)
at Kingdee.BOS.App.Data.Sql.KSqlServerBulkCopyTask.Execute(IDbConnection con, IDbTransaction tran)
at Kingdee.BOS.Orm.Drivers.OrmTransactionBase.ExecuteSqlTasks(IList`1 tasks)
at Kingdee.BOS.Orm.Drivers.OrmTransactionBase.Commit()
at Kingdee.BOS.Orm.DataManager.DataManagerImplement.DoItInTransaction(Action`2 action, IOrmTransaction ormTransaction, OperateOption option)
at Kingdee.K3.FIN.CB.App.Core.CostCal.Cal.BusinessDataService.SaveOrmInfoNoPrimaryKey[T](Context ctx, IEnumerable`1 values)
at Kingdee.K3.FIN.CB.App.Core.CostCal.Cal.BusinessDataService.SaveCostCalResult(Context ctx, List`1 batchObjs)
at Kingdee.K3.FIN.CB.App.Core.CostCal.Cal.ProductCostAcctgService.CostAcctg(Context ctx, CostCalParameters parameters)
at Kingdee.K3.FIN.App.Core.OutAcctg.AbstractAcctgService.Execution[T](Context ctx, T acctgParameters)
at Kingdee.K3.FIN.App.Core.OutAcctg.AcctgStencil.ExecuteServiceForShedule[T,K](Context ctx, T acctgParameters, CostAcctgServiceObject`1 service)
at Kingdee.K3.FIN.App.Core.OutAcctg.AcctgStencil.ExecutionBatchServiceObject[T,K](Context ctx, T acctgParameters, Dictionary`2 services, CostCalType calType, List`1 checkAttrs, Boolean isLast)
at Kingdee.K3.FIN.App.Core.OutAcctg.AcctgStencil.LevelCaling(CostCalParameters acctgParameters, Context bosctx, Dictionary`2 calservice)
at Kingdee.K3.FIN.App.Core.OutAcctg.AcctgStencil.ExecutionCostCal(CostCalParameters acctgParameters, Context bosctx, Dictionary`2 checkservices, Dictionary`2 calservice)
at Kingdee.K3.FIN.App.Core.OutAcctg.AcctgStencil.CostCal(ComputeContext ctx, CostCalParameters acctgParameters)
at Kingdee.K3.FIN.App.Core.OutAcctg.AcctgStencilService.CostAcctg(ComputeContext ctx, OutStockAcctgParameters acctgParameters)