Always in A Knytt in Time, at x992y1006 there's a ghost slime (Bank 12 Object 6): I can see it without the Ghost Eye, although it doesn't drip water. Weird.
EDIT: there's also something wrong in screen x1000y971: both Shifts send you to screen x1000y953, but at different positions. From there you'd get Shifted again shortly, but on KSDS you'll get killed instantly. I don't really get it though, there's no kill tile, but maybe the wallswim conflicts with either the Sticky Object or the No Jump one.