This thread is resolved. Here is a description of the problem and solution.
Problem:
You are trying to change the product category slug for another language from /product-category/ to /teste555/, but encountering a 404 error when accessing the category.
Solution:
We recommend following these steps:
1. Navigate to WPML → Taxonomy Translation → Product Categories.
2. Ensure all fields are properly filled in for Translations of taxonomy Category labels and slug, including the Plural translation field.
3. Complete any missing translations.
After completing these steps, please verify if the issue persists. Our development team is currently reviewing this case, and you can check for updates on this issue at https://wpml.org/errata/product-category-links-do-not-use-translated-slugs/.
If this solution does not resolve your issue or seems irrelevant due to being outdated or not applicable to your case, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent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 needed, please open a new support ticket at WPML support forum for further assistance.
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