MediaWiki internal error.

Original exception: [c9a4d63279686510d55f1fcf] 2024-03-29 13:00:34: 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.