Bug in Extension ?
A customer has found out that it's possible to create 2 user accounts using the same email address. Try this:
Create a new user account and log in. Open a new browser window and create a new user account with the same email adress while you are logged in with your first account. I have tryed and it works!
You can try here if you like:
Log In: login.php
I'm attaching my source files and my database.