The plugin throws the following error when trying to sign in with facebook.
error:500, message:org.scribe.exceptions.OAuthException: Response body is incorrect. Can't extract a token from this: '{"access_token":"EAAOWKGC6MDcBAB9ZAka1zEc1","token_type":"bearer"}', error_description:org.scribe.exceptions.OAuthException: Response body is incorrect. Can't extract a token from this: '{"access_token":"EAAOWKGC6M","token_type":"bearer"}', error_code:OAuthException