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n8facebook3jsi7jserrore was never meant to be more than a throwaway string — a tangle of letters and numbers born from a hurried debug log. But when Maya copied it into a note titled "weird things," she found it glowing on her screen the way a firefly does at dusk.
“An unexpected error occurred. Please clear your browser cache and cookies, then reload Facebook. If the issue persists, check Facebook’s server status.” n8facebook3jsi7jserrore best
- Callback URL: Ensure the OAuth Redirect URL in your Facebook App settings matches exactly what n8n provides (found in the Credentials setup screen). It usually looks like
https://your-n8n-instance.com/rest/oauth2-credential/callback. - Strict Mode: In Facebook App settings > Advanced, ensure "Strict Mode" for Redirect URIs is handled correctly (add the URL explicitly).
- Re-authenticate: Tokens expire. Delete the credential in n8n and re-connect it.
Payload Mismatch
Often, what users report as a "JavaScript error" in n8n when working with Facebook is actually a . n8facebook3jsi7jserrore was never meant to be more than
