求助，calibre pex提取schematic！
时间：10-02
整理：3721RD
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初学数字后端设计，遇到一些问题请大牛们帮我解答！
我是用smic013工艺库，想将GDS文件从Encounter中导入到icfb中用pex提取schematic，然后运行pex的时候总是出现：
WARNING: Top level port name "dp_cluster_36\/N10532" at location (519.11,198.235) on net 405 not valid for netlisting; net id used instead.
WARNING: Top level port name "add_1_root_add_0_root_add_5925_2/carry[8]" at location (520.03,213.815) on net 5438 not valid for netlisting; net id used instead.
WARNING: Top level port name "add_0_root_add_0_root_add_5555_2/carry[1]" at location (520.49,83.845) on net 1610 not valid for netlisting; net id used instead.
WARNING: Top level port name "add_0_root_sub_0_root_sub_6118_3/carry[3]" at location (520.49,201.925) on net 1878 not valid for netlisting; net id used instead.
WARNING: Top level port name "add_0_root_add_1_root_sub_5567_3_cf/carry[1]" at location (520.95,72.775) on net 3856 not valid for netlisting; net id used instead.
WARNING: Top level port name "add_0_root_add_0_root_add_5925_2/carry[2]" at location (520.95,105.985) on net 1611 not valid for netlisting; net id used instead.
类似这样的warning, 我想问为什么port name 会不合法啊?难道太长了?
我是用smic013工艺库，想将GDS文件从Encounter中导入到icfb中用pex提取schematic，然后运行pex的时候总是出现：
WARNING: Top level port name "dp_cluster_36\/N10532" at location (519.11,198.235) on net 405 not valid for netlisting; net id used instead.
WARNING: Top level port name "add_1_root_add_0_root_add_5925_2/carry[8]" at location (520.03,213.815) on net 5438 not valid for netlisting; net id used instead.
WARNING: Top level port name "add_0_root_add_0_root_add_5555_2/carry[1]" at location (520.49,83.845) on net 1610 not valid for netlisting; net id used instead.
WARNING: Top level port name "add_0_root_sub_0_root_sub_6118_3/carry[3]" at location (520.49,201.925) on net 1878 not valid for netlisting; net id used instead.
WARNING: Top level port name "add_0_root_add_1_root_sub_5567_3_cf/carry[1]" at location (520.95,72.775) on net 3856 not valid for netlisting; net id used instead.
WARNING: Top level port name "add_0_root_add_0_root_add_5925_2/carry[2]" at location (520.95,105.985) on net 1611 not valid for netlisting; net id used instead.
类似这样的warning, 我想问为什么port name 会不合法啊?难道太长了?
挖坟来了，这个是什么原因还能想起来吗