DRC疑问求助

本人刚学cadence 版图,我是安照教程上去做的,在做设计规则检查时CIW报"the rules being executed do not contain drc commands(drc ,savederived,etc); please review the file contents or the run-time switch setting".
不知道怎么解决,谢谢先

go directly to you CAD guys