I have set this URL in Google API console as valid redirect: https://oauth.playfab.com/oauth2/google
The url originates from Marco's blog post. The problem is, I can easily log in using old Access Token technique, but if I use Auth Code approach and let PlayFab server run the oauth, the only thing I get is this:
Which, according to message, has something to do with where PlayFab redirects the result. I've tried probing the mentioned URL with postman, using both get and post, but got 404.