This thread is resolved. Here is a description of the problem and solution.
Problem:
After implementing WPML Multilingual CMS on a WordPress site with Elementor Pro and Advanced Custom Fields Multilingual, some content disappeared, and errors such as 'setting validation failed. title: invalid_value' appeared. Additionally, there were multiple errors in the WPML error log. The client resolved the issue temporarily by resetting WPML and deleting all translations from pages, ACF custom fields, and taxonomies, which restored the normal functionality of the site.
Solution:
We first need to confirm if the issue is directly related to WPML. We recommend deactivating WPML to see if the issue persists. If the problem remains, it suggests that the issue might not be solely related to WPML. If you have a backup from before the issue occurred, try restoring it to verify if the custom fields work correctly without WPML. If they do, this could indicate a potential conflict or misconfiguration during the WPML setup or translation process.
If this solution does not resolve your issue or seems irrelevant due to being outdated or not applicable to your case, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent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. If problems persist, please open a new support ticket at WPML support forum for further assistance.
This is the technical support forum for WPML - the multilingual WordPress plugin.
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Last updated by 3 weeks, 2 days ago.
Assisted by: Lucas Vidal de Andrade.
