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help with Abstract generator

sardar1

 Dear friends

    First of all I take this oppertunity to say hi , I hope to have a great, honorable and informative virtual  kinship with all of you.

 

The problem I am facing is with the Abstract generator, I have a few verilog modules that are nested and I have created their GDS through encounter. I imported that GDS in abstract generator and want to create a one cell  lef. Now that I run the pin step the tool constantly gives me error ABS- 520 "cannot create net named "xyz" from the database".

If I give a single module it creates its lef but If I give the same module as an instiation it gives me this error. Any form of help will be highly appreciated.

Thanks in advance

sardar

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