Sweeping fail - even though I've done this before!!

 From:  gunter511
11460.1 
Hi All,

I've made signet rings before using the same workflow but this time it's just not happening!

I'm sweeping these curves:



Using these rails:



I get a really weird output.

Could someone please point out what I'm doing wrong?

Many thanks!
Gunter

EDITED: 18 Jul 2024 by GUNTER511