Cannot Generate Column by Curve

Rhino.Inside Revit
1

Hi Guys,

I am just wondering why I cannot generate the column using the series of curves having an issue warning - Curve start point must be below curve end point. Tolerance is 0.1595272235916 mm.

image
image1291×634 89.9 KB

Any help? thanks

2

Your curves are probably upside down, try using the Flip Curve component.