I'm working on creating a Plumbing Calculation Schedule in Archicad and am having difficulties with one formula. For a Business calculation, it's supposed to be '1 per 25 for the first 50, then 1 per 50 for the remainder'. In the property Manager, I have a formula to calcula...

I'm needing to open a file that was originally created in Archicad 16. I've read the most common method is to open the file in Archicad 26 and save it there, but unfortunately every time I open the file, it'll tell me that I do not have a license to open it.Other people in m...