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Here is my problem:
A leafcell schematic (standard cell) is used in the hierarchy of design. This cell is coming from standard cell team where 4 powers/ground pins are available : vdd/vdds/gnd/gnds. Leaf cell has been modified by us : bulk(vdds)/substrate(gnds) are connected to vdd or gnd. gnds/vdds net name are removed. This cell contains gnds and vdds inherit connection instances. Unfortunaltely, only vdds inherit instance has been removed in cell.
So my question is : do we have in skill a way to detect that extra inherit connection will be present at top level ?
I'm afraid your question is not that clear (which probably explains why nobody has answered it). You might want to log this as a service request via http://support.cadence.com and then somebody can work through the problem with you.