This thread is resolved. Here is a description of the problem and solution.
Problem:
The client is unable to find the option 'Set different slugs in different languages for Product categories' in WPML settings.
Solution:
We resolved the 404 error on category pages. For issues related to product slugs, we have created a separate support ticket. You can follow the discussion and find a solution on this topic at https://wpml.org/forums/topic/is-it-possible-to-keep-product-slugs-not-translated/.
If your 404 error issue is resolved, please mark this ticket as resolved, and we will continue to assist you with the product slug issue in the new ticket.
Please note that the solution provided might be outdated or not applicable to your case.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 the issue persists, please open a new support ticket at https://wpml.org/forums/forum/english-support/.
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.
This topic is split from https://wpml.org/forums/topic/404-error-on-translated-category-pages/