Otf export failed

Good Evening,

I’m in need for help with an otf export problem:
Although the “successfully exported” window appears, there is no font generated. The window appear after an suspicious short time, less than one second.
There also is no folder for the font at application support/glyphs/temp.
Other fonts that have their folders in “Temp” can be exported to otf.

What’s wrong? Both MacOS and Glyphs are the most recent versions. I realized the mistake today with Glyphs # 1.3.13, and now with # 1.3.14 it is still the same.

Thank you in advance

Can you send me the .glyphs file?

This particular font had all instances deactivated. I added error message.