I have not had any errors using the new OP, but I have noticed a few things need to be adjusted, like thumbnail pics for items and characters. Like Mowgli said, I hate having to resize the banners. In my native resolution of 1080x1920 it seems like there is a huge waste of space.
One other quick note, my posting might be a little slow over the next couple days. I was in an auto accident back in September and my symptoms are flaring up again. I am still doing physical therapy and working things out, but if I go a couple days without posting, it is probably because I am lying on my back all day with a hot pad.