I got a free version, on filling the app is and appp seceret for my facebook login module, it didnt work weel, when users click, they get this error messege,....<br />
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<br />
{<br />
"error": {<br />
"message": "Invalid redirect_uri: Given URL is not permitted by the application configuration.",<br />
"type": "OAuthException",<br />
"code": 191<br />
}<br />
}