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

Problem:
The client reported that after updating the site key, the Finnish language version of their homepage disappeared, while the English version remained visible.
Solution:
We recommended that the client updates their WPML plugins, WordPress core, and any relevant themes and plugins to the latest versions to ensure compatibility and functionality. Here are the steps we suggested:
1. Update WPML plugins to the latest version (4.9.2) by downloading them from My Account → Downloads on wpml.org.
2. If updates are not visible in the dashboard, navigate to Plugins → Add New → Commercial tab and click “Check for updates.”
3. Update WordPress core and any active themes or plugins as needed.
4. Enable WordPress debugging to capture any errors related to WPML. This involves editing the wp-config.php file to include:

define( 'WP_DEBUG', true );<br />define( 'WP_DEBUG_LOG', true );<br />define( 'WP_DEBUG_DISPLAY', false );

5. Replicate the error and check the debug.log file for any WPML-related errors.
6. Share any relevant error messages with us for further analysis.
Before proceeding with these steps, ensure to create a full backup of the database.

If these steps do not resolve the issue or if the solution seems outdated or irrelevant to your case, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix,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 further assistance is needed, please open a new support ticket at WPML support forum.

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Last updated by Andrey 2 weeks, 6 days ago.

Assisted by: Andrey.

Author Posts
March 23, 2026 at 9:49 am #17917614
March 23, 2026 at 9:55 am #17917642

Andrey
WPML Supporter since 06/2013

Languages: English (English ) Russian (Русский )

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

Looking at the debug information you provided, I can see that both WPML and WordPress are outdated.

Please update your WPML plugins and add-ons to the latest version (4.9.2) to benefit from recent bug fixes and improvements. While this may not necessarily resolve the issue, it’s important to troubleshoot using the most up-to-date version.

You can download the latest versions from My Account → Downloads on wpml.org. Instructions for updating are available here:
http://wpml.org/faq/install-wpml/

If you don’t see the updates in your dashboard, please go to:
Plugins → Add New → Commercial tab and click “Check for updates.”

Additionally, please make sure to:
• Update WordPress core
• Update your active theme (if needed)
• Update any relevant plugins

If the issue persists after updating, please enable debug logging in WordPress so we can capture any errors for further analysis.

Here are the steps:
1. Enable WordPress debugging by editing your wp-config.php file. Add (or modify, if these lines already exist) the following lines before the comment /* That's all, stop editing! Happy publishing. */:

define( 'WP_DEBUG', true );
define( 'WP_DEBUG_LOG', true );
define( 'WP_DEBUG_DISPLAY', false );

2. Replicate the error.
3. Check the debug.log file (located in the /wp-content/debug.log) for any WPML-related errors.
4. Copy and paste the full error message here.

Before making any changes, please ensure you create a full backup of your database.