problem in getting authorization code

While making the GET call to if the user is already logged in to codechef it opens and shows the message ‘invalid authorization request’. If the user was not logged in before, it works fine. What is the problem here?

@priyanshi_, you can use this sample app for reference:
If you still face some issue, please let us know.

The problem still persists for my app, when I was already logged in and requested for authorization code it showed ‘invalid request error’, but when I logged out and tried again I got the grant code on my redirect uri.Can you please suggest what is the problem here?

@priyanshi_ can you please send the response that you are getting (the json object) or the screenshot. Also, please email me the request that you are trying to make on