MediaWiki internal error.

Original exception: [ZgX9QQgnF2@4x05uz4ff4gAAAB0] 2024-03-28 23:29:06: 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.