Problem: The client is unable to translate their menu into different English variants such as en-au and en-gb. Solution: If you're experiencing this issue, we recommend following the steps outlined in our guide on translating menus with WPML. You can find the guide here: Translating Menus.
If this solution does not resolve your issue or seems irrelevant due to being outdated or not applicable to your case, please open a new support ticket. We also highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. For further assistance, you can contact us directly through our support forum at WPML Support Forum.