StructuralFraming.BeamByCurve don't work


What’s wrong with my notes? How can I make it work?

And here is the warning.
Warning: StructuralFraming.BeamByCurve operation failed.
The referenced object is not valid, possibly because it has been deleted from the database, or its creation was undone.

Thanks in advance.

looks like a bug
Try adding a new StructuralFraming.BeamByCurve node instead of that one.