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AUTH_UNION_ID_HAS_BEEN_BOUND

I'm encountering an error and reviewing the docs to understand what's happening. Please help me resolve this.

Fix Error with AI Tool

Error Cause​

UnionId has been bound to an account, this WeChat unionId is already bound to another account.

Solutions​

  1. Login directly with the bound account
  2. Check WeChat Open Platform unionId configuration
  3. Confirm if there's duplicate binding across different apps
  4. If you need to change binding, unbind existing association first
  5. Contact technical support to handle cross-app account binding issues