Error After Changing Package Name

I have an app with a current package name ( and is working fine.
But now I need to replace this package name ( because I will publish to Play Store.
When I change it and try to export I am not able to save as aab. or .apk
I receive “Something went wrong”
If I set back to the old package name( back it completes the Export with no problem.

What can be the error?

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Have you used firebase auth in your app?

Please drop the error log to help community understand the problem better.

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the error was that. was about firebase.
I forgot about it
So, I went to firebase and create a new app and download a new google-services.json file

Thank you

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