User registration is currently not allowed.
If you have problems with one of the theme’s registration process and you are getting the message “User registration is currently not allowed.” it’s easy to activate it. This happens because user registration is disabled from the Global WordPress settings.
How to activate it
It is simple to activate the registration for new users. To do that login to your WP Dashboard and navigate to the Settings->General tab. There you will find the option to enable user registration. Make this this is activated and click the save button.