This thread is resolved. Here is a description of the problem and solution.
Problem:
The client is experiencing a critical error on the 'All Products' page in the WooCommerce back office when the WPML Multilingual CMS plugin is activated. The error message indicates a critical error, and the issue resolves when WPML is deactivated but returns upon reactivation.
Solution:
We recommend the following steps to resolve the issue:
1. Create a full site backup
2. Update any outdated plugins or themes, especially WPML ones, which can be found in Plugins -> Add new -> Commercial tab.
3. Flush any cache memory that might exist.
4. Activate the WordPress debug mode as described in this guide: https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/
5. Activate the WPML plugins and reproduce the issue.
6. Check the latest fatal error in the debug.log file within the wp-content folder.
In this specific case, the issue was due to a compatibility problem with PHP 8.4. Reverting to PHP 8.2 resolved the problem.
If this solution does not apply to your case, or if it seems outdated, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have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. If the problem persists, please open a new support ticket.
This is the technical support forum for WPML - the multilingual WordPress plugin.
Everyone can read, but only WPML clients can post here. WPML team is replying on the forum 6 days per week, 22 hours per day.
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Last updated by 2 weeks, 4 days ago.
Assisted by: Carlos Rojas.
