Substrate database error while simulating

I am working on ADS .Simulating an onchip inductor. But I am getting an error :" Substrate database doesn't exist"..what does this mean? and where should I check to know more about this error.

Can you show a screenshot of the error message? When do you get this error?

That error is solved. Thank you for your response. But I want to know that how to generate schematic from layout itself . I have to use my .ds file(s parameter file) in schematic with s2p data block. can you suggest me some documents which can help me ?

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