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Problem:
You are experiencing an Error 500 on your server due to too many redirects after updating WooCommerce. This issue is linked to a corrupted .htaccess file caused by WPML leaving a redirect in it to secondary languages.
Solution:
If you're facing this issue, we recommend checking if third-party plugins are calling the

flush_rewrite_rules(true)

function too frequently, which can repeatedly modify the rewrite rules in your .htaccess file. This frequent modification might be causing the issues on your WordPress site. For more information and a suggested workaround, please visit our FAQ: Why is .htaccess getting overwritten with the language folder on my WPML website?

Please note that this solution might be outdated or not applicable to your specific case.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 for further assistance.

Problem:
The client reported an issue where their site was forced to run from the /fr/ directory due to .htaccess rules after updating WooCommerce. This was linked to WPML's handling of 'Different languages in directories' setting.
Solution:
We identified that the issue was caused by third-party plugins calling the

flush_rewrite_rules(true)

function too frequently, which altered the rewrite rules in .htaccess. This led to an incorrect RewriteBase, causing the site to break when accessed in a different language. To resolve this, we recommended checking which plugin might be causing the issue by following the steps in this documentation: https://wpml.org/faq/why-is-htaccess-getting-overwritten-with-the-language-folder-on-my-wpml-website/

If this solution does not apply to your case, or if it seems outdated, we highly recommend opening a new support ticket. Also, please check related known issues at https://wpml.org/known-issues/, verify the version of the permanent fix, and confirm that you have installed the latest versions of themes and plugins. For further assistance, you can contact us directly at the WPML support forum.