Unable to backup - Error 400: redirect_uri_mismatch

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Dan

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Jun 3, 2025, 2:13:42 PMJun 3
to Got Your Back: Gmail Backup
Trying to backup an account and getting this error

Access blocked: This app’s request is invalid

You can’t sign in because this app sent an invalid request. You can try again later, or contact the developer about this issue. Learn more about this error
If you are a developer of this app, see error details.
Error 400: redirect_uri_mismatch
2025-06-03 12_09_23-COLCTYHBU3 - ScreenConnect - Connected.png

Jay Lee

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Jun 3, 2025, 2:18:53 PMJun 3
to got-yo...@googlegroups.com
You messed up on a step when creating the project and oauth client id / secret. You need to choose "desktop app" not web app.

Try a clean install in a fresh directory.

Jay Lee


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Dan

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Jun 3, 2025, 3:42:23 PMJun 3
to Got Your Back: Gmail Backup
You were 100% right. Fixed that and it's working. Thank you very much Jay! Much appreciated!
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