Lumped port error

[harikakapa]

I am designing 28ghz microstrip patch antenna using comsol i have face this error how can i solve this
Uniform lumped port should be placed between two conductive boundaries.
- Feature: Type: Lumped Port
Tag: lport1
Operation: LumpedPort (lport1)

 

[rf_engineer_5]

Check out the comsol website for example files. There are quite a few of them that show how to setup a lumped port. As the error states you need to be between two conductors.