Fatal error: Uncaught Error: Call to undefined function add_action() in /usr/local/www/wordpress/wp-content/plugins/.old/sitepress-multilingual-cms/addons/wpml-page-builders/loader.php:23 Stack trace: #0 /usr/local/www/wordpress/wp-content/plugins/.old/sitepress-multilingual-cms/addons/wpml-page-builders/plugin.php(11): require_once() #1 {main} thrown in /usr/local/www/wordpress/wp-content/plugins/.old/sitepress-multilingual-cms/addons/wpml-page-builders/loader.php on line 23