Problem: The client is experiencing an error message 'wpml: Unable to register: Site key not matching' after changing from the staging environment to the live version of the site and updating the site key. Solution: If you're experiencing this issue, we recommend you try the following steps: 1. Log in to your WPML.org account and navigate to the Sites page. 2. Delete the existing site key. 3. Log in to your site, go to the Dashboard >> Plugins >> Add new > Commercial tab and click the Unregister WPML from this site link if it exists. 4. Then click the Register WPML link. 5. Click the Get a key for this site link. This will generate a new key for your site. 6. Copy the new key, paste it back into the input box, and press the Register button.
If this solution does not resolve your issue or seems irrelevant due to being outdated or not applicable to your case, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent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.
