The redirect URI in the request, https://pneumatyka.eu/moje-konto/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/474665037271-tqar4ftu427s8dn7qqegb1847i3vbp1c.apps.googleusercontent.com?project=474665037271