Fatal error: Uncaught Error: Class 'Xoo_Helper' not found in /home/haamidan/hdskala.org/seo/waitlist-woocommerce/includes/class-xoo-wl-helper.php:3
Stack trace:
#0 {main}
thrown in /home/haamidan/hdskala.org/seo/waitlist-woocommerce/includes/class-xoo-wl-helper.php on line 3