This thread is resolved. Here is a description of the problem and solution.
Problem:
When adding French and German languages to a store, the product categories of the secondary languages display a 404 error page.
Solution:
If you're experiencing this issue, we recommend you try the following steps:
1. Navigate to WPML → Settings → Taxonomies Translation.
2. Ensure that for Product Categories, the slugs are translated in the 'Set different slugs in different languages for Product categories' dropdown.
3. Save those settings.
For more details, check the related known issue at WPML Errata.
Please note that this solution might be outdated or not applicable to your specific case. We highly recommend checking related known issues at WPML Known Issues, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If the issue persists, please open a new support ticket at WPML Support Forum.
This is the technical support forum for WPML - the multilingual WordPress plugin.
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