Extraction Errors and Warnings for cell "ADDF_C"
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WARNING: Open circuit - Same name on different nets:
Name: "VSS"
(1) at location (4,0.8) on layer 1520 "M1_NET" on net id 4
(2) at location (0,0) on layer 6131 "SXCUT_NET" on net id 13
The name was assigned to net 4 .