Relative Floor Offset Roof Floor

Hello, it calculates the floor where the Attic Floor is in Relative Floor Shift, but the value of a lower floor is d(i-1) 0. Architecturally, I could not add additional columns. Was there a programmatic error?
 
Hi, check the geometry. Your project may have continuity errors. Examine displacements in the 3D Analysis model. If you can't identify the problem, if you add your project, I can help.
 
I defined a column on the panel element on the last floor, but I wonder if I made a mistake there? Could it be because the panel works with beam element logic? Would it be correct if I convert the panel to 175 column and make 75 columns on the normal floors and then on the roof?
 
Hello, Do not define a column on the Panel object. Define it as a panel on the upper floor, you can reduce the dimensions of the panel.
 
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