The redirect URI in the request, https://be.propenda.com/accounts/google/login/callback/, does not match the ones authorized for the OAuth client. To update the authorized redirect URIs, visit: https://console.developers.google.com/apis/credentials/oauthclient/83061264179-6ud9uk9ku63om48vc94mcv2iv02k96gs.apps.googleusercontent.com?project=83061264179