"After Login Redirection Page" not redirecting

Hello,

I’ve been using Simple Membership Plugin for a couple of months now and everything was working fine.

Today, I updated the plugin and not the After Login Redirection Page is not redirecting. In the menu bar, I get this:
http://kidsworldprogram.com/welcome/%E2%80%8E >> the %E2%80%8E was never there before.

The error message I get is this:
Not found, error 404
The page you are looking for no longer exists. Perhaps you can return back to the site’s homepage and see if you can find what you are looking for. Or, you can try finding it by using the search form below.

You are welcome to create a username & password and try it yourself.

Please advise me how to fix this. Thank you!

Agnes