# G4: Command+D opens dozen error windows

**URL:** <https://forum.glyphsapp.com/t/g4-command-d-opens-dozen-error-windows/37195>\
**Category:** Glyphs\
**Created:** [September 3, 2026, 8:41am UTC](https://forum.glyphsapp.com/t/g4-command-d-opens-dozen-error-windows/37195 "2026-09-03T08:41:37Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![GeorgSeifert](https://forum.glyphsapp.com/user_avatar/forum.glyphsapp.com/georgseifert/32/259_2.png) [@GeorgSeifert](https://forum.glyphsapp.com/u/GeorgSeifert)\
**Post date:** [September 3, 2026, 9:12am UTC](https://forum.glyphsapp.com/t/g4-command-d-opens-dozen-error-windows/37195/3 "2026-09-03T09:12:01Z")

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and [G4: Adding Unicode to a glyph with a saved custom category triggers sidebar errors](https://forum.glyphsapp.com/t/g4-adding-unicode-to-a-glyph-with-a-saved-custom-category-triggers-sidebar-errors/37193)

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_[View the full topic](https://forum.glyphsapp.com/t/g4-command-d-opens-dozen-error-windows/37195)._