成本核算过程出错

日志

Collection was modified; enumeration operation may not execute. StackTrace : at System.Collections.Generic.Dictionary`2.Enumerator.MoveNext()
at Kingdee.K3.FIN.CB.App.Core.CostCal.Cal.VarietalProductCal.CalVarietalProductWeight(List`1 seqs, List`1 varetials)
at Kingdee.K3.FIN.CB.App.Core.CostCal.Cal.VarietalProductCal.ExpenseCal(CostCalParameters parameters, ProductingParameter productingParameter, ProductionInfo prod, List`1 seqs)
at Kingdee.K3.FIN.CB.App.Core.CostCal.Cal.VarietalProductCal.VarietalProductAmountCal(CostCalParameters parameters, ProductingParameter productingParameter)
at Kingdee.K3.FIN.CB.App.Core.CostCal.Cal.ProductCostAcctgService.TaskCal(Context ctx, CostCalParameters parameters, ProductionInfo productionInfo)
at Kingdee.K3.FIN.CB.App.Core.CostCal.Cal.ProductCostAcctgService.BatchPoructCal(Context ctx, CostCalParameters parameters, CostBatckCalObject batchObj)
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)