Fatal error: Uncaught Error: Interface "IWPML_Action" not found in /home/imperfettolab/public_html/web/app/plugins/sitepress-multilingual-cms/classes/menu-elements/class-wpml-custom-columns.php:8
Stack trace:
#0 {main}
thrown in /home/imperfettolab/public_html/web/app/plugins/sitepress-multilingual-cms/classes/menu-elements/class-wpml-custom-columns.php on line 8