I have received auth token and secret using Twitter Reverse Auth but when I pass it to QB it says Bad Authentication Data, why?

I have received auth token and secret using Twitter Reverse Auth but when I pass it to QB it says Bad Authentication Data, why?

Make sure that you set API KEY, API SECRET and callback for your app http://quickblox.com/developers/Social_Networks_Integration_Manual

Also check there are no spaces in text fields while inserting the data in admin panel.