Hi, does anyone know what is the alternative way for me to generate the walls? I think there is something wrong with my script.
me to 
when we work with cad many things can go wrong depends on your cad…and probably need some cleanup…do you have a sample cad we can try on ?
do u want my revit, cad and dynamo?
No just cad should be good
cheers i can take a look later today…if someone else havent fix it
sorry but do you have the dyn as well…then we dont need to rebuild the graph again…thanks