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January 28, 2026
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Meta Login Issues in Conversios AIO App

This issue commonly occurs when using Meta reporting or Meta feed features and is caused by missing email permissions during the Meta login process.

Example Error Message:

 
{"code":423,"response":{"error":true,"errors":["Unable to find Facebook user or missing email permission from user"]}}

This error indicates that Meta is unable to identify the user because the required email permission was not granted.

How to resolve:

  • Log out of Meta and retry the login

  • Allow all requested permissions, especially email access

  • If the issue persists, use a Meta account with full access to the relevant Business Manager

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