Praneeth
Ansys Employee

Hi Yushu,

Thank you for sharing the additional details. Based on your model and the error, it looks like the setup is not correct. The signal nets should be isolated from each other without any electrical contact. That is why the error is triggered. Kindly ensure that they are not connected.

If you are new to Q3D design, then please go through this free video course - Intro to Ansys Q3D.

Best regards,
Praneeth.