物料引入问题

物料引入时提示报错，请帮忙看下是什么原因，谢谢。Server stack trace:
at System.Text.RegularExpressions.RegexParser.ScanRegex()
at System.Text.RegularExpressions.RegexParser.Parse(String re, RegexOptions op)
at System.Text.RegularExpressions.Regex..ctor(String pattern, RegexOptions options, Boolean useCache)
at Kingdee.BOS.App.Core.BillCodeRuleService.UpdateMaxSerialNo(DynamicObject[] dataEntities, String billRuleID)

Exception rethrown at [0]:
at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
at Kingdee.BOS.Contracts.IInOutDataService.UpdateMaxSerialNo(Context ctx, BusinessInfo businessInfo, List`1 dataEntities)
at Kingdee.BOS.ServiceHelper.InOutDataServiceHelper.UpdateMaxSerialNo(Context ctx, BusinessInfo businessInfo, List`1 dataEntities)
at Kingdee.BOS.Business.DynamicForm.PlugIn.Import.ImportEngine.ImportData(Context ctx, IDynamicFormView view, FormMetadata formMetadata, InputOutputParameter importParameter, DataSet& failDataSet, List`1 matchfields)
at Kingdee.BOS.Business.DynamicForm.PlugIn.Import.ImportDataEdit.ImportData()
at Kingdee.BOS.Business.DynamicForm.PlugIn.Import.ImportDataEdit.b__0()