Problem: If you're experiencing issues with the WPML plugin not connecting to wpml.org after moving your site to a different domain and registering the new domain, and you're unsure where to enter the registration key in WordPress. Solution: 1. Navigate to WPML → Support and click on Installer Support. Share the last few log messages with us to help diagnose the issue. 2. To clear any notices, go to Dashboard → Updates and click the 'Check again' button. 3. Go to Plugins -> Add New -> Commercial on your website and click the 'unregister' link. 4. Visit https://wpml.org/account/sites/ and delete the existing site key. 5. Return to Plugins -> Add New -> Commercial on your website and click the 'register' link.
If this solution does not resolve your issue or seems outdated, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have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 problem persists, please open a new support ticket at WPML support forum for further assistance.