yahoo configuration

In the JFBConnect -> Configuration area, please set "Enable Error Reporting" to 'Yes'. That may show additional details as to why the authentication is failing.

I'd suggest double-checking every setting in your Yahoo application with our Yahoo Configuration Guide . Incorrectly setting the Redirect URIs are a common cause of error messages like you posted.

Beyond that, with JFBConnect v8.3.2, we replaced the API for Yahoo completely with their new Oauth2 authentication methods. You may need to recreate your Yahoo Application if you had an older version and/or delete any previous user mappings to Yahoo in the JFBConnect Usermap area.

I hope the above helps get you going, but if you need anything else, please let us know.

Thanks,
Alex