Fatal error: Uncaught Error: Interface "IWPML_AJAX_Action_Loader" not found in /usr/local/www/wordpress/wp-content/plugins/wpml-string-translation/classes/string-tracking/class-wpml-st-string-tracking-ajax-factory.php:6 Stack trace: #0 {main} thrown in /usr/local/www/wordpress/wp-content/plugins/wpml-string-translation/classes/string-tracking/class-wpml-st-string-tracking-ajax-factory.php on line 6