Deleting bar 1 loses exported key signature

[brianavid]

Issue type

File corruption

Bug description

Deleting the first bar with a key signature appears to keep that key signature. But it is lost on saving, export to MusicXML and on upload to MuseScore.com. I discovered this when publishing to MuseScore.com.

Steps to reproduce

• Create a simple score with a non-empty key signature including one or more sharps or flats
• Add some simple notes
• Delete bar 1 - the key signature remains in the "new" bar 1
• Export to MusicXML or publish to MuseScore.com - the key signature is lost
• Alternatively save to mscz and reload - - again the key signature is lost

Screenshots/Screen recordings

Screen shot of MS4:

Saved MSCZ file: Losing Key Sig.zip

MuseScore Version

OS: Windows 10 Version 2009 or later, Arch.: x86_64, MuseScore version (64-bit): 4.1.1-232071203, revision: github-musescore-musescore-e4d1ddf

Regression

I don't know

Operating system

Windows 11

Additional context

No response

[oktophonie]

Duplicate of https://github.com/musescore/MuseScore/issues/19063 (now fixed in master, happily)

[brianavid]

Thanks - Sorry I missed the duplicate. I did search, but obviously not thoroughly enough :-)