lunped port can't touch the ground

the lumped port can't touch the ground in my model,I have trid to expand the port, but it still get the error

"Fast sweep setup, process hf3d: '1' conductors touch lumped port '1', typically a lumped port contains 2 conductors. Please verify conducting boundaries and objects are correctly assigned and touch the port. If a Radiation boundary touches the port and it is desired for use during the port solution, select 'Use Radiation Boundary on Ports' under the Advanced tab in the Solution Setup"

I attach the model and there is only one port in it . I have no ider how to do and get puzzled, please help me.

coshape.zip

Your attachment has 'hfss' in the name.

You are more likely to get replies if you post an image of your schematic.

Also look at the list of related topics at the bottom of this page.

Thanks for your reply, I attach images of the schematic and error, not understand about this-"Your attachment has 'hfss' in the name."

When unzipped, your attachment is named 'coshape.hfss'.

If someone who uses hfss sees you state that your question has to do with hfss, then you are more likely to get replies.

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When unzipped, your attachment is named 'coshape.hfss'.

If someone who uses hfss sees you state that your question has to do with hfss, then you are more likely to get replies.

oh,I see! Thanks for your suggestion.