In order to see if this issue is happening because of the configuration of your site, or just the combination of your theme, plugins & WPML we need to isolate the issue.
I’ve created a sandbox here: hidden link
I have already configured WPML with WPML string translation addon with 3 languages.
Please do the following:
- Open the Sandbox link mentioned above
- Set up your theme
- Download and activate any plugin you think essential to creating your menus (if any)
- Create a menu
- Translate it and see if the issue occurs
Please note that we only need the theme/plugin and the related functionality, you don’t need to set up an entire website or clone your existing site.