title: Could not complete Oauth2 login
body: <p>Im trying to get the access token from <strong>OAuth 2.0 Playground</strong> through <strong>POSTMAN</strong>. Theses are the configurations. When the Request the token it says <strong><code>Could not complete Oauth2 login</code></strong>. Any reason why i cannot get the token?. How to resolve this?</p>
  
  <p><a href="https://i.stack.imgur.com/U0Z96.png" rel="noreferrer"><img src="https://i.stack.imgur.com/U0Z96.png" alt="enter image description here"></a></p>