[Plugin: Lockdown WP Admin] 404 not loading within WP??

Hello, great plugin! Works great for what I’m needing to do, but I’m having trouble figuring out why it’s loading any theme’s 404 page as if it’s not loaded within WordPress??

When I get the 404 page it doesn’t load WP specific functions such as wp_head(), wp_footer, bloginfo(), etc, etc. It’s acting as if the wp-load.php file isn’t getting loaded? Any idea what is causing this?

I’ve tried on two servers, my local server (MAMP v1.9.6 running PHP 5.3.5), and on a remote server with apache and all that other jazz.

Thanks!

https://www.ads-software.com/extend/plugins/lockdown-wp-admin/