The redirect URI in the request, https://www.theairwizzard.nl/mijn-account/google/oauth2callback, 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/677666496747-7ndokji7eti3qiuc9gc6laemosq14jrt.apps.googleusercontent.com?project=677666496747