Gross floor area and volume

[bvs1982]

Why didn’t you stay to your original topic?

Set parameter error

[image] i make parameter “area” and input in the project file… but didn’t input why??? help me ㅜㅜ [image] [image] and i want to put the value in the Gross Surface Area, Gross Volume… how can i do that?

This isn’t helping (this forum). You clutter it like this.