Map is rendering weirdly in SRB2 unlike in Zone Builder

I'm trying to make a map in SRB2. The map renders perfectly fine in Zone Builder, but there's a giant patch of grass that renders in SRB2 for some reason. This is what the map currently looks like in Zone builder as of when I'm posting this: But when I try to playtest it in SRB2 (v2.2.15), this patch of grass shows up that I never placed: Oh, and as you can see, it also messes with the bridge. This is what it looked like in-game before I added the... Read more