Green Harmony- crashes while installing

I’ve tried to install Green Harmony but the plugin crashes all the time after I restart Glyphs.
Someone knows how to solve this problem?

A plugin caused a crash

The Plugin GreenHarmony.glyphsFilter has caused a crash. Please update it by opening the Plugin Manager or re-downloading it from the original source.


Traceback (most recent call last):

File “”, line 16, in

from GlyphsApp import *

File “GlyphsApp/GlyphsApp/”, line 642, in

AttributeError: Cannot replace selector ‘font’ in ‘GSApplication’ by non-selector

App:3.1-3133 Plugin:1.0.3-4

Please check this: Scripts not working "Glyphs is not defined" - #5 by GeorgSeifert

Thank you the solution suggested in the topic you sent me worked. Now the problem is solved. Thanks