如下错误
ERROR (XSTRM-231): Pcell evaluation failed for 'smic18mmrf_2/n33/layout' because the pcell SKILL code contains either a syntax error or an unsupported XStream function. Check the standard output or the Virtuoso log file for more information. Either correct the pcell SKILL code or ignore the error by enabling the 'ignorePcellEvalFail' option for XStream Out.