Clicking undo closes the application

MIT App Inventor Help
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1

Hi,
I wanted to know why although within my application it is well specified what to do when the undo button is clicked, when it is pressed it performs the action it must but then closes the app.

Thanks in advance, The.

2

Do you mean the backpress button ?

https://community.appinventor.mit.edu/search?q=backpress

3

Yes, I mean that. I’ve already noticed that in beta it works correctly so I think it’s just a matter of waiting for the relase. I thank you, good day.

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