Marking the window and door openings from the edge of the wall

Revit
4

Hello Alban,

Working on the script I was facing these errors, could you please help me with this?

I have attached the images, Dynamo script and file for better explanation.

Thanks.

image(2)
image(2).png1536×740 256 KB
image(1)
image(1).png694×671 5.97 KB

Fenestrations Script.dyn (39.1 KB)
Feestrations Sample model.rvt (1.6 MB)