what is the quality issue of the photo

The main problem is that the plate and veggies are out of focus but also her fingers and hair and the stitches on the dress by her breasts.

I gave this a second look. Stable Diffusion? I think the main problem is that there is absolutely no detail in the hair. 

Hello,

In my view, the white balance can be improved. The photo has a yellow cast.

Take note of the skin tones.

Place the eyedropper tool 

on a white area to get a better white balance.

The hand closest to the viewer should be in better focus, as should the bowl of veggies.

It's out of focus. You need to check the eyes. They should be crisp sharp.