Describe the bug
Generation error. On high-rise buildings where there should be a technical room for elevators on the roof, narrow skyscrapers appear instead.
Used bbox area
53.906057 27.424450 53.917382 27.437754

Arnis and Minecraft version
Arnis 2.1.3 Minecraft 1.21.4
Screenshots

Additional context
I also added a picture of how this technical room should look. I also tried to create a world anew, choosing a different area, but the problem remained