u/Substantial_Part1571

Hi, I'm new to Revit.

I have a problem I haven't been able to solve, and I don't understand what I'm doing wrong.

I'm creating a staircase that I want to replicate across 15 floors. I create the staircase on the first floor, and it looks fine, but when I try to apply a multi-level staircase, when the staircase is replicated on the subsequent floors, an extra step is added to each one. I honestly don't know what I'm doing wrong.
In the image, the bottom staircase is the original one; the top staircase is after applying the tool, as you can see, an additional step is added.