Plugin not working in v 2.6.9 (1363)

Scripting
1

I am trying to install the BroadNibber plugin. The installation itself is successful. But after I open GlyphsApp, it throws an error saying the the plugin has caused a crashed.
Screenshot attached.

Screen Shot 2023-09-12 at 6.40.01 PM
Screen Shot 2023-09-12 at 6.40.01 PM1176×556 77.3 KB

2

Please read this: Glyphs 2 on Monterey | Glyphs