The redirect URI in the request, https://www.designlectures.ru/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/824358297321-deg7q7mq1vkhkcjqoa9009ehbafj6072.apps.googleusercontent.com?project=824358297321