MediaWiki internal error.

Original exception: [ZgbOe9gkFfQ7e9qm-xvZ@wAAAAg] 2024-03-29 14:21:48: 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.