画版图时加入drc文件一直报错

HANG11

Error while compiling rules file /home/work/Desktop/IC618/SPDK018MS_and_BCD_Auto_1850_OA_CDS_V1.30_REV1_0/smic18msbcd_auto_1850_oa_cds_v1.30_rev1_0/Calibre/DRC/1P4M_3Ia_1MTT2_MIM2.drc:
Error INP7 on line 4889 of /home/work/Desktop/IC618/SPDK018MS_and_BCD_Auto_1850_OA_CDS_V1.30_REV1_0/smic18msbcd_auto_1850_oa_cds_v1.30_rev1_0/Calibre/DRC/1P4M_3Ia_1MTT2_MIM2.drc - incomplete keyword specification: dfm.
大佬们这是遇到了什么问题，我在选择这个DRC文件时一直报错。

lxc000

根据提示，找到.drc文件的第4889行，看看dfm相关的描述有没有问题