The redirect URI in the request, https://www.islamisohbet.gen.tr/connected_account.php, 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/693500706257-48dlevg2ju3d05t3qo8kg9kldfmanb6h.apps.googleusercontent.com?project=693500706257