Created attachment 147364 [details]
Screenshot of the error message (crash) + 2 kBackup logs

SUMMARY
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Hello Kde team.

STEPS TO REPRODUCE
1. Open the application kBackup under Windows 10 or 11 - source: https://support.zendesk.com/hc/en-us/community/posts/4409506828954 - it is used for the backup of our Help Center into Zendesk.
2. The backup works for ten-fifteen minutes then it stops . 
3. Error message --> see the attached screenshot (file .png) including also the 2 logs = BackupLog.txt + urlLog.txt = zip with those 3 files.

OBSERVED RESULT
Error message = the general exception was hit startIndex ne peut pas être inférieur à zéro (translation = can't be smaller than 0).
Nom du paramètre (translation = setting name) : startIndex

This error message occurs for a few days after around 500 saved articles (for a total which should be 1200).

EXPECTED RESULT
Before the issue, the complete duration of the backup was around 35 minutes = more than 1200 articles + more than 2800 pictures/images.
I tried to archive one or two articles which could be guilty = same behaviour.
Tested process with different Zendesk accounts = same behaviour.
Is it a known issue? Thanks.

SOFTWARE/OS VERSIONS
Windows:  10 + 11
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION