Hi! I can fix registration issue, unaccessible link inside email template, log in and log out issues. I am professional Web Developer and co-owner of a web-development team with 15+ years of experience in eCommerce, LAMP (Linux, Apache, MySQL, PHP), CMSs like Prestashop, Magento, Wordpress, Joomla, Drupal, Laravel, HTML and Javascript.
Feel free to contact me.