Thank you for contacting WPML support. While you wait for one of my colleagues to take this ticket and work on it, let me provide you with the first debugging steps or see if I can help with the issue quickly.
If WPML and its add-ons are not up to date on your site, please update them and check whether the problem persists.
If you don't see new versions of our plugin, please check this URL on your site: your-domain.com/wp-admin/plugin-install.php?tab=commercial, then click the Check For Updates button.