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

Problem:
You recently changed your website domain from https://usabox.com to https://www.usabox.com and encountered an error in the WPML Installer log indicating 'wpml: Unable to register: Site key not matching'.
Solution:
If you're experiencing this issue, we recommend you follow these steps:
1. Navigate to Plugins → Add New and select the Commercial tab. Then, click 'Unregister WPML from this site'.
2. After the page loads, click on 'Register WPML'. You will see a prompt to enter the site key. Click on 'Get a key for this site'.
3. In your WPML account, complete the site key wizard and set it to 'Production site'.
4. Copy your new key and paste it in the Commercial tab. Afterwards, you can delete your old site key in your WPML account.

This solution might be irrelevant if it's outdated or not applicable to your case.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 issue persists, please open a new support ticket at WPML support forum.

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Last updated by Andrey 1 month, 2 weeks ago.

Assisted by: Andrey.

Author Posts
June 13, 2025 at 4:19 pm #17134178

carlosD-7

Background of the issue:
I recently changed the website domain from hidden link to hidden link. Since the change, I’m seeing an error in the WPML Installer log.

Symptoms:
wpml: Unable to register: Site key not matching

Questions:
How can I update the registered site to reflect the new domain?

June 14, 2025 at 4:55 pm #17135582

Andrey
WPML Supporter since 06/2013

Languages: English (English ) Russian (Русский )

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

Thank you for contacting WPML support.

Here are the steps you need to follow:

1. Go to Plugins → Add New and click the Commercial tab. Click Unregister WPML from this site.

2. Once the page loads, click on Register WPML. A message asking you to enter the site key will appear. Click on Get a key for this site.

3. In your WPML account, complete the site key wizard and set it to Production site.

4. Copy your new key and paste it in the Commercial tab. When done, you can delete your old site key in the WPML account.