Stair Problem. Plz Help

[nitizz]

Hi forum,

I create a new stair, work well in 2D but problem 3D with a weird waist below.
Find attached pictures below
Please help me to resolve this problem

[nitizz]

view 01

[nitizz]

view 02

[Erika Epstein]

Looks like some kind of bug. In the meantime, break the stair into 2 sections.

[Laszlo Nagy]

In the Flight Settings area, try to set the lowest 4 fields to non-zero values, like 1 millimeter or something. That may help this issue.

[nitizz]

Still having same problem when changing the fields to 1 mm.
Its weird this happen. archicad cannot solved the waist slab parameters
It works well in the two landing staircase from library but I cant add steps in the landings

[nitizz]

Finally I got it work
Just played with the numbers in the fields
It WORKS!!!!!