Registration and login form in Wordpress 4.7 with woocomerce 2.6.11 does not work with the theme Bookshelf | Books & Media Online Store.
Note: The customer registration giving access to your restricted area only occurs after a request has been completed but after logout it can not access your restricted area through the Login menu.
Not all WP themes are compatible with woocommerce and some of which are, have to be configured / structured to work properly.
Sometimes when we change the theme, the structure of the site is changed by config. standard of the new theme.
If you can, switch to a default theme (storefront type) and see if the site works and is complete. Then you can compare the two.
