You are trying to set a main category for a product on your multilingual site using WPML, but the main category does not get set for the translated product after translation.

We have identified that this issue might be related to the interaction between WPML and RankMath. A known issue has been documented here: <a href=\'https://wpml.org/errata/rank-math-seo-product-and-post-primary-categories-are-not-synchronize-to-translations/\'>Rank Math SEO Product and Post Primary Categories are not synchronized to translations</a>. We recommend trying the workaround suggested in the errata. If this solution does not resolve your issue or seems irrelevant due to being outdated or not applicable to your case, we highly recommend checking related known issues at <a href=\'https://wpml.org/known-issues/\'>https://wpml.org/known-issues/</a>, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. Additionally, if you need further assistance, please open a new support ticket at <a href=\'https://wpml.org/forums/forum/english-support/\'>WPML support forum</a>.

The Main Production Category does get set on translated productions

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Tagged: Known issue

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Last updated by Otto 11 months, 2 weeks ago.

Assisted by: Otto.

Author	Posts
May 7, 2025 at 1:36 pm #17006836
amrA-12	Background of the issue: I am trying to add a product on my site, hidden link, and choose 2-3 categories, then select a main category. I am using WPML for translation. Symptoms: The main category does not get set for the translated product after transition. Questions: Is there a faster way to set the main category for translated products without doing it manually?
May 7, 2025 at 6:49 pm #17008511
Otto	Hello, I noted that you are using RankMath, so the problem seems related to this: https://wpml.org/errata/rank-math-seo-product-and-post-primary-categories-are-not-synchronize-to-translations/ Can you please try the workaround suggested in the errata? Best Regards, Otto