HFSS error in lumbed port

Port refinement, process hf3d error: Too few conductors were found on port 1. There should be one conductor for each terminal, with one additional reference conductor. Unintentional contact between conductors may cause this error.. (4:06:34 PM Dec 30, 2014)

hi xhish khan,
i want some detail about your antenna
1.Type of antenna
2.Type of feeding method