No window when click "Edit string data..."

[AlaxJI]

Issue type

UI bug (incorrect info or interface appearance)

Description with steps to reproduce

1. go to Staff/Part property of, for example, Electric Guitar
2. then click on "Edit string data..."
3. then – no window

Supporting files, videos and screenshots

In which versions of MuseScore Studio is this issue present?

4.6.4.253351238

Regression

Yes, this used to work in a previous version of MuseScore 4.x

Operating system

MacOS 26.1

Additional context

No response

Checklist

• This report follows the guidelines for reporting bugs and issues
• I have verified that this issue has not been logged before, by searching the issue tracker for similar issues
• I have attached all requested files and information to this report
• I have attempted to identify the root problem as concisely as possible, and have used minimal reproducible examples where possible

[AlaxJI]

Something was wrong with cache or some data.

1. Uninstall MuseScore, delete ~/Library/Application Support/MuseScore
2. Delete MuseScore preferences ~/Library/Application Support/Preferences/org.musescore.MuseScore.plist and ~/Library/Application Support/Preferences/org.musescore.MuseScore4.plist.
3. Restart computer.
4. Install MuseScore 4.6.4.

All work