hi,
i try to mesh my model but i also have this warning :
"Some of the mid-edge nodes were not projected onto the
geometric boundary, in order to avoid forming bad elements".
i don't know how to avoid it.
It'll probably be an area that has a very small curvature where you've used large-ish elements. To avoid it you'd have to use a very small mesh size, or if it's in a region of no interest, ignore it.