This thread is resolved. Here is a description of the problem and solution.
Problem:
The client is experiencing an issue with registering their WPML plugin after moving their website to a new hosting provider. They receive an error message stating 'Connection failed! Please refresh the page and try again. (Unable to register: Site key not matching)'.
Solution:
If you're encountering a similar issue, we recommend the following steps to resolve it:
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 plugin > Commercial tab and click the Unregister WPML from this site link if it exists.
4. Click the Register WPML link.
5. Click the Get a key for this site link to generate a new key.
6. Copy the new key, paste it into the input box on your site, and press the Register button.
If the issue persists, try the following additional step:
- Go to WP Dashboard Menu >> Updates and press the "Check again" link.
Please note that this solution might be outdated or not applicable to your specific case.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 problem continues, please open a new support ticket.
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