MediaWiki internal error.

Original exception: [ZgX9VAgnF2@4x05uz4fgPQAAADo] 2024-03-28 23:29:24: 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.