How to set new shape rebar in revit

Hi All!
I have a rebar with M_00 shape, now I want to change this rebar to M_17.
Do you know it? Please, i need your help! Thank you!
This is an Image

What does the error in the node say

1 Like

I have the same problem, I need your help me

Hi Thanh, You need to use the REBARSHAPE.BYNAME befor you set to value. Good luck!
Thank you Renzoj14 Sir!

Thank you toantrungthach !