Several alternatives in a variable font. How to make it correctly?

In Glyphs3, the VariableFontPreview plugin shows how you want it to be in the font.
But it doesn’t work correctly in the browser and Illustrator.
Can you please tell me where is the error?

Video: https://youtu.be/3888MM4PfrI

Files: KAZKA – Google Drive

Thank you

I think I found where the error was.

At least I managed to make the font work by editing * GX.TTF in Fonlab7.
In the TagGlyph field, you need to remove .varAlt0:

“Z.varAlt01~999.99<si<1299.02”
change to
“~999.99<si<1299.02”

I have fixed it. Thanks for the test file.

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Thank you, Georg