Twilight Render User Forum

Hello there, i am back after many years and i need your help.
i am working about model, and it has oval form on the top side. i create form, then make it group and in group i smoothed everything ( you know i am SU and TWL user and i know this tricks) but after render it is not smooth. can u help me? any suggestion?
green colour is good result it is smoothed,
red colour is bad its not smoothed.

please update to latest version of Twilight.

Fletch, i did but it makes same result

Can you share file?
Send link to support@twilightrender.com