HFSS integration line problem

Hello all,
i recently started with hfss and needed to add a wave port however while defining the integration line for the wave port to the face parallel to yz plane , the distance along x-axis is showing zero , this causes the wave to oscillate about a point rather than travel along a line

Thanks Again

What do you mean "oscillate about a point"? What are the boundary conditions on the four port walls?

It seems you want to feed a simple wave-guide. If so, why do you define an integration line? HFSS considers wave-port as an infinite wave-guide which automatically feed correctly, I mean with correct polarization and the dominant mode. In lump port definition you have to define an integration line.

I see in your message log that you performed a geometry modification on your boundary. If this modification touches the integration line it is removed and needs to be reassigned after the modification. I'm not sure if this will solve your problem but at least it will solve the message in the log.