KO 1.27 - Work only in a single master

[etunni]

I updated to latest version of KO and it work only in a single master of four.
Glyphs 3233 | MacOS Catalina 10.15.7
* Source file: FontLab8 > exported as Glyphs

[Tim Ahrens]

What exactly is it that is not working in the other masters?

Can you send me the file? Then I can have a closer look. Thanks!

[etunni]

I updated to last release [1.28] and the issue appear solved.
Thanks for your answer!