I think i also saw this error or a similar one before. It is a rare error and i can hardly remember it. When i saw this error, it was odd to me and as i guess i was not sure if it was a pure TeXStudio error. Maybe i had other updates running or maybe a slow reacting process monitor. Some how i did press this ignore button and texStudio was still running. This was so odd and the only reason i still remember the error. After that i did just restart TeXStudio and until now it did never happen again....
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[Bug] [Macro Editor] Script does loose tabs in clipboard
[Feature Request] Import/Export macro buttons ins macro editor
[Feature Request]The possibility to create submenues in the macro menu
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