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  3. Exporting Touchstone file with PyAEDT on HFSS: solution data unavailable

Exporting Touchstone file with PyAEDT on HFSS: solution data unavailable

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    • September 29, 2025 at 3:08 pm
      boan.fang
      Subscriber

      Hi everyone, I've been trying to write Python codes to let HFSS run and export the touchstone file automatically after analysis completes.

      After analysing the setup "Setup_Test_8" and the sweep "Sweep_0to40_Discrete", I can see that the log says "Discrete frequency sweep complete" and "Normal completion of simulation on server".

       

      However, as the export_touchstone function is ran, I get this error:

      "Script macro error: Solution data is not available. It was either not solved or was made invalid by subsequent design changes."

       

      I also tried to plot the s-paramter results manually on GUI, but the plot is empty.

       

      I'm not sure what's behind the issue. Please see attached a screenshot of the log and my code related with the exports' part. Do let me know if additional information is required. Thanks in advance!

       

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