You are mixing Bot scopes and user scopes
you first need to request user scope and after, you will be able to make another request for both scope (but using a manual process for this one and storing the bot auth in DB). Sadly, Slack doesn’t allow to request bot and user scope at the same time and also doesn’t return the open ID data if you request bot scope only (there’s a way to request both scopes, but the issue will remain as you cannot get the profile endpoint if you request both at the same time)
I was thinking you only need to authenticate user at first.
@Jici The error is still the same. I set many url redirects including the one in the bubble app. I also created an oauth_redirect page just in case, but it does not work either.
Delete dev key/secret, make sure you are using the correct client ID and client secret in “live” fields (this will be applied to dev too). Can you share the url after that (where you get the error)