Unable to access the client

When I go to "http://localhost:3001/" it redirects to "http://localhost:3001/auth/joshid/callback?code=2eecb781f11d54d03f6f687b3e9ac35f&response_type=code&state=ab1321c56448a697cd54e2b526afe1c06d6c7ee8b5c28971" and got following error

OAuth2::Error

You need to sign in or sign up before continuing.:
{"error":"You need to sign in or sign up before continuing."}
Rails.root: /home/mathan/work/projects/p/sso-devise-omniauth-client

Application Trace | Framework Trace | Full Trace
lib/josh_id.rb:30:in `raw_info'
lib/josh_id.rb:14:in`block in class:JoshId'
Request

Parameters:

{"code"=>"2eecb781f11d54d03f6f687b3e9ac35f",
"response_type"=>"code",
"state"=>"ab1321c56448a697cd54e2b526afe1c06d6c7ee8b5c28971"}