Symmetry problem in CST

Hi all....my design consists of 4 microstrip patch antennas arranged in 2x2 manner.....and i tried to simulate design in CST by defining symmetry...But encountered an error as shown in snapshots...
Someone kindly help me how to solve...

You used ports for other patch antennas as well. Symettery planes doesn't work like that. You have to have all the ports in the constricted symmetry plane.
If you want to simulate this project you can use the array feature of farfield monitor after you simulate a single patch.

Thank you.
If i want to simulate this project, is there any possibility to do it using symmetry concept?

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