Fatal error: Uncaught Error: Interface "WPML\Ajax\IHandler" not found in /home/imperfettolab/public_html/web/app/plugins/sitepress-multilingual-cms/classes/setup/endpoints/CurrentStep.php:15 Stack trace: #0 {main} thrown in /home/imperfettolab/public_html/web/app/plugins/sitepress-multilingual-cms/classes/setup/endpoints/CurrentStep.php on line 15