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Last updated by Otto 1 week, 6 days ago.

Assisted by: Otto.

Author Posts
June 30, 2025 at 2:04 pm #17184845

davidH-172

Background of the issue:
I am trying to translate products using WPML, but I am encountering an issue where the SKU changes unexpectedly. A demonstration video is available here: hidden link. The issue can be seen on this page: hidden link.

Symptoms:
When I translate a product, the translated product's SKU has '-1' appended to the end instead of retaining the original SKU.

Please see video hidden link

Questions:
Why does the SKU change when translating a product?
How can I ensure the translated product retains the original SKU?

July 1, 2025 at 4:02 pm #17189452

Otto
WPML Supporter since 09/2015

Languages: English (English ) Spanish (Español )

Timezone: America/Argentina/Buenos_Aires (GMT-03:00)

Hello,

Did you import the products? How?

Can you please update WPML and it's add-ons (including WooCommerce Multilingual) to the latest version?

❌ Please make a full website backup before proceeding ❌

Then try the following:
• Go to Plugins → Installed Plugins and ensure WC Multilingual is active.
• Navigate to WPML → Settings → Custom Fields Translation; set _sku to Copy (not Copy once / Translate).
• Open WPML → Support → Troubleshooting and run “Synchronize attributes and update product stock” plus “Synchronize post meta data”.
• Re-edit one original product, save, then open its translation – SKU should match exactly.

Best Regards,
Otto

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