WPML plugin cannot connect to wpml.org

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Last updated by Maiya AI Support 6 months, 3 weeks ago.

Author	Posts
September 12, 2025 at 3:06 pm #17398233
finanzM	Background of the issue: I have WPML running on one server and copied it to a development server. It seemed to work fine until today. I registered WPML on our development site and received a Site key, which I added to the wp-config.php using define('OTGS_INSTALLER_SITE_KEY_WPML', 'site key');. Symptoms: WPML plugin cannot connect to wpml.org. Error messages include 'Connection failed! Please refresh the page and try again. (Unable to register: Site key not matching)' and 'Unable to register: Site key not matching'. Questions: What can I do to resolve the 'Site key not matching' error?

Author

Posts

September 12, 2025 at 3:06 pm #17398233

finanzM

Background of the issue:
I have WPML running on one server and copied it to a development server. It seemed to work fine until today. I registered WPML on our development site and received a Site key, which I added to the wp-config.php using define('OTGS_INSTALLER_SITE_KEY_WPML', 'site key');.

Symptoms:
WPML plugin cannot connect to wpml.org. Error messages include 'Connection failed! Please refresh the page and try again. (Unable to register: Site key not matching)' and 'Unable to register: Site key not matching'.

Questions:
What can I do to resolve the 'Site key not matching' error?