404. That’s an error.
The requested URL /oauth_login_confirm.phtml?action=confirm&provider=yandex&state=ekfY2YeSa3hh5eA9xhds5pCZ7DzJzDmr&platform=touch was not found on this server. That’s all we know.
/oauth_login_confirm.phtml?action=confirm&provider=yandex&state=ekfY2YeSa3hh5eA9xhds5pCZ7DzJzDmr&platform=touch