Correct logins re-directing

Hi,

I’ve installed this plugin on my WP multisite install. I enabled the plugin for one of my subsites (www.mysite.com/blog1). I’ve set my auth code, but when I try to login with the correct username, password and auth code, it’s redirecting me to the URL that I set for bad attempts.

Any ideas?

Thanks

https://wordpress.org/plugins/stealth-login-page/