transient analysis in HFSS13

I have a problem. I run the simulation successfully in HFSS12. But when i want to do transient analysis in HFSS13 for the same structure. It reports that Port refinement, process hf3d error: Port '1' is not a TEM port as required for transient analysis. Here, waveport is used for a CPW. Help me out please, thank you very much!

Hi

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Regards
Sajid Mohammed.

Thank you for your attention. I have figured out the problem with lumped port. But it is extremely time-consuming.