Error when exporting variation fonts

I’m trying to export my font as a variation font, but i get this error: *** -[__NSArrayM objectAtIndex:]: index 40 beyond bounds [0 … 39]

what does that mean?

The outlines are converted to TT and in one of your glyphs, this produces incompatible outlines. It tries to find point index 40 in the other path, but the last point has index 39. Can happen if a glyph has an inflection or extremum in one master but not the other.

Do you have build number 1035?

I fixed two bugs in the last few days. I’ll upload a new version, soon.

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