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This thread is resolved. Here is a description of the problem and solution.

Problem:
If you're experiencing a 404 error when switching to the Hungarian language for a product category URL on your site, it might be due to incomplete translations in the WPML settings.
Solution:
We recommend you try the following steps:
1. Navigate to WPML → Taxonomy Translation → Product Categories.
2. Check if all fields are properly filled in for Translations of taxonomy Category labels and slug, including the Plural translation field.
3. If any fields are empty, please complete the missing translations.
After completing these steps, please verify if the issue persists. For more details, you can check the related known 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If this solution does not resolve your issue or seems irrelevant due to being outdated or not applicable to your case, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent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 the problem persists, please do not hesitate to 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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This topic contains 4 replies, has 1 voice.

Last updated by laszloT-4 1 week, 2 days ago.

Assisted by: Andrey.

Author Posts
August 5, 2025 at 8:52 am #17295489

laszloT-4

Background of the issue:
I am trying to switch the language of a product category on my site hidden link. The category includes three products, and I am using WPML to manage translations.

Symptoms:
Switching to the Hungarian language for the category URL results in a 404 error: hidden link. It worked well before.

Questions:
Why does switching to the Hungarian language for the category URL result in a 404 error?
How can I fix the 404 error when accessing the translated category URL?

August 5, 2025 at 9:05 am #17295565

laszloT-4

Sorry I must leave now, I will be back later

August 5, 2025 at 2:34 pm #17296962

Andrey
WPML Supporter since 06/2013

Languages: English (English ) Russian (Русский )

Timezone: Europe/Kyiv (GMT+03:00)

Thank you for contacting WPML support.

Could you please try the following steps?

1. Navigate to WPML → Taxonomy Translation → Product Categories.
2. Check if all fields are properly filled in for "Translations of taxonomy Category labels and slug", including the Plural translation field.
3. If any fields are empty, please complete the missing translations.

Our development team is aware of this case and is currently reviewing it.

https://wpml.org/errata/product-category-links-do-not-use-translated-slugs/

Once done, please verify if the issue persists. Let me know how it goes.

17248118-Screenshot_2025_07_18_at_00_29_21.png
17248118-Screenshot_2025_07_18_at_00_28_42_1_.png
August 11, 2025 at 7:21 am #17308204

laszloT-4

this did not help 🙁

productcategory.PNG
August 11, 2025 at 7:27 am #17308238

laszloT-4

OK, I addedd plural translation ( by your second screesnshot) and it started to function. I test few translations and I let you know if I need any assistance. Thank you so far

August 11, 2025 at 7:50 am #17308262

laszloT-4

The plural translation was added and it seems working properly 🙂 Thank you!