Dragan is right; there is no "Circle error" in VFP. Also, you mentioned that your error trapping fails to see this - another indication that this error is outside of VFP. If your back-end is SQL, I would suspect some sort of accidental recursive stored proc call.

>My users have been reporting to me that they are getting an error (that I haven't seen myself yet): "Circle error". What is that exactly?
>
>Thanks