Auth0, discord login

The user goes to our login site https://login.bota-apex.int.eu.org/ the user then chooses the decided site the user wants to login on.
The user gets redirected to auth0 login, the user chooses the login methods and logs in, but when the user gets redirected it seems the user gets a Site not found problem.

error URL(https://login.bota-apex.int.eu.org/callback?error=invalid_request&error_description=null&state=hKFo2SBqYU43X3llRXc0ZW54SFBqVFRBMXoyOERhRmpjTU10R6FupWxvZ2luo3RpZNkgdnpSLXo5NFhTUXY4X0RiY1EwMjJvNnlKeDlmUEQ2TDCjY2lk2SAyTFJaM1p6WjNvVG9zNFY2UzVXOEZkNVBDZjBpYU5OZQ)

login.bota-apex.int.eu.org is the auth domain running on a server using nodejs
Mewoka the site where users log in is a static site and is using login.bota-apex.int.eu.org
The auth site is open and uses the auth0 SDK.
We use the discord auth URL together with auth0