Fatal error: Uncaught Error: Call to undefined function WTS_EAE\add_action() in /var/www/courses.riftvalley.net/wordpress/wp-content/plugins/addon-elements-for-elementor-page-builder/inc/admin/admin-ui.php:24 Stack trace: #0 /var/www/courses.riftvalley.net/wordpress/wp-content/plugins/addon-elements-for-elementor-page-builder/inc/admin/admin-ui.php(480): WTS_EAE\Admin_Ui->__construct() #1 {main} thrown in /var/www/courses.riftvalley.net/wordpress/wp-content/plugins/addon-elements-for-elementor-page-builder/inc/admin/admin-ui.php on line 24