encounter在做tsmc018 工艺5v的标准单元布线时遇到的问题

daiyuerong

用encounter做TSMC018工艺的布局布线，用metal1  metal2  布线，metal3作为电源和地线铺满布线区域，用的是5v的standcell  ,发现place时三铝底下不会放standcell,这是怎么回事？去掉三铝后，可以place standcell  ,但是会报一堆
**DIAG[/icd/cm_t1nb_003/EDI142/Rel/14.20/main/lnx86_64_opt/14.20-p004_1/include/dbDRArray.h:158:addNewPage] : The master object on page 3 does not exist .So dense annotation can not be added yet
求大神解答！！！