MediaWiki internal error.

Original exception: [ZgX9swgnF2@4x05uz4fh9gAAAC8] 2024-03-28 23:30:59: Fatal exception of type "Wikimedia\Rdbms\DBConnectionError"

Exception caught inside exception handler.

Set $wgShowExceptionDetails = true; at the bottom of LocalSettings.php to show detailed debugging information.