请教如图，采购价目表保存时提示错误：“count”必须为非...

请教如图，采购价目表保存时提示错误：“count”必须为非负值。
参数名: count

[{"operation":"PUR_PriceCategory.MBIClick.tbSplitSave"}]
发生时间： 13:55:52
错误编号： f723ad76916b4ec9a57e619f3ded6df0
错误信息： “count”必须为非负值。
参数名: count
===================================================
调用堆栈：
Server stack trace:
在 System.String.CtorCharCount(Char c, Int32 count)
在 Kingdee.BOS.App.Core.BillCodeRule.BillCodeRuleHelper.CreateFlowNo(Decimal no, CodeRuleSeqProject project)
在 Kingdee.BOS.App.Core.BillCodeRuleService.GetNextBillNoByRepair(CodeRuleSeqProject project, Int32 count)
在 Kingdee.BOS.App.Core.BillCodeRuleService.GetNextBillNoByRepair(DynamicObject dataEntity, String ruleID, List`1 lstOriBillNo)
在 Kingdee.BOS.App.Core.BillCodeRuleService.GetBillNo(DynamicObject[] dataEntities, Dictionary`2 options, String specifiedCodeRule)
在 Kingdee.BOS.App.Core.AbstractOprerationService.UpdateBillNoWhenSave(DynamicObject[] dataEntities)
在 Kingdee.BOS.App.Core.Save.CreateBeginOperationTransactionArgs(DynamicObject[] objs)
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(DynamicObject[] dataEntities)
Exception rethrown at [0]:
在 Kingdee.BOS.ServiceHelper.BusinessDataServiceHelper.Save(Context ctx, BusinessInfo businessInfo, DynamicObject dataObject, OperateOption option, String operationNumber)
在 Kingdee.BOS.Model.Bill.BillModel.Save(OperateOption option)
在 Kingdee.BOS.Business.Bill.Operation.Save.ExecuteBillOperation(OperateOption option)
在 Kingdee.BOS.Core.DynamicForm.AbstractDynamicFormOperation.Operation(CallBackWfAfterOperation callbackwf, IOperationResult result)
在 Kingdee.BOS.Core.DynamicForm.AbstractDynamicFormOperation.Execute(InvokeFormOperation4WfParam param, CallBackWfAfterOperation callbackwf)
在 Kingdee.BOS.Web.DynamicForm.OperationCaller.InvokeFormOperation(String operationNumber)
在 Kingdee.BOS.Business.DynamicForm.BusinessService.ExcuteOperation.DoAction(FormBusinessServiceArgs e)
在 Kingdee.BOS.Core.DynamicForm.FormBusinessServiceUtil.InvokeServices(IDynamicFormView view, Object source, IEnumerable`1 services, Int32 actionType, String activeEntity, DynamicObject activeRow, Int32 rowIndex)
在 Kingdee.BOS.Web.DynamicForm.BusinessServiceCaller.InvokeFormBusiness(IDynamicFormView view, Object source, List`1 formBusinessServices, Int32 actionType, String entityKey, Int32 row)
在 Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.BarItemClick(String parentKey, String barItemKey, BarDataManager bar, Int32 bartype)
在 Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.MainBarItemClick(String barItemKey)
在 Kingdee.BOS.Web.DynamicForm.DynamicWebFormController.MainBarItemClick(String itemKey, JSONArray postDatas)