Install insulator on a vertical member and curved surface

I want to install a insulator on a vertical member, but I get this error
and i don’t know how to isntall a insulator on a curvedsurface ㅠㅠ
help me please…

거푸집 test.rvt (3.2 MB)
단열재관련_test1.dyn (52.5 KB)

Hello @jhtwin25NSBMA …could something here work…

thank you but i want to put a wall under the dome shape!ㅜㅜ how can i do?

Hello like this ?