This thread is resolved. Here is a description of the problem and solution.
Problem:
The client's translated Cookie Policy page is not displaying the page name, only the pageID.
Solution:
We suspect the page was initially created as a draft and wasn't properly synced with its translated version. Alternatively, it might have been auto-translated with a setting enabled that requires drafts to be reviewed before publishing. To resolve this, please check your settings under WPML > Settings.
Next, navigate to Pages > All, select Spanish from the language filters, locate your Spanish page, click Quick Edit, and ensure its status is set to Published, not Draft.
If this solution does not apply to your case, or if it seems outdated, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have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. Should the issue persist, please open a new support ticket at WPML support forum.
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This topic is split from https://wpml.org/forums/topic/adding-translated-pages-to-the-menu/