I know there are similar posts but non gave me an answer I could work with.
(Interestingly I have a file with the same values which I can export from.)
Please advise!
Check your Axis Location parameter. It doesn’t match.
Thx, I changed the value.
Now Glyphs crashes.
Can you send me the file?
Rainer has it already in the meantime – thx!
If it crashes, I need the file. 
Sent, THX!