MediaWiki internal error.

Original exception: [ZgU_YHQB_f_4P_KyNJpDbQAAAIw] 2024-03-28 09:58:56: 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.