Did someone managed to get framegen working with AC Odyssey?

I tried many games and in all the games the frame gen worked, but for AC Odyssey it does not work. I tried borderless and windowed mode, none work.
The game runs at 65 FPS and when I turn on the FG, the Lossless Scaling FPS counter shows 144/144 FPS which is my refresh rate but the frame are objectively not generated and the game still runs at 65 FPS