Background of the issue:
I am attempting to download and install the String Translations plugin for WPML on my site 隐藏链接.
Symptoms:
I keep getting the error message 'Connection failed! Please refresh the page and try again. (Unable to register: Site key not matching)' when trying to install the plugin.
Questions:
What could be causing the 'Site key not matching' error during the installation of the String Translations plugin?
How can I resolve the connection failure issue to successfully install the String Translations plugin?
