Error Message on Login Screen

I’m hosting two WordPress Blogs, and I wanted to add google’s recaptcha to the login screen. But on both I received the following error message: “Latest reCAPTCHA plugin must be installed and activated first.”

Both Blogs and WP-reCAPTCHA Plugins are up-to-date.

https://ww.wp.xz.cn/plugins/wp-login-recaptcha/