[Gmsh] Strange error

[Przemysław Król]

Good morning
I've started using your gmsh software and it find it very convenient, but i
met strange situation. When I want to generate splines defining marine
propeller's profiles it does draw them, but also says "Unknown control
point 0...". What does it mean? I append .geo file I used.
With best regards
Przemysław Król
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