Is there a reason why this has the artistic error tag? Is it because of the small hands?

ScarletMarines said:

Is there a reason why this has the artistic error tag? Is it because of the small hands?

I think that would be more bad_proportions or bad_anatomy territory.
The only bit that sticks out to me is the eyes. Kaya has goat-like pupils, while here she's depicted with normal ones.