MediaWiki internal error.

Original exception: [cfef9c666e57121584698f01] 2024-03-29 09:13:27: Fatal exception of type "Wikimedia\Rdbms\DBQueryError"

Exception caught inside exception handler.

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