Prints have a ridge - Lemmy.World

Any ideas as to what I’m doing wrong? This sphere has a ridge on it, and I’ve had miniatures come out with the base to be slightly offset giving a bit of a ridge. I’m using a Halot One, lychee Slicer, and Anycubic Water Wash resin.

I should add that I’m using rafts and lifting the prints 5mm.