MediaWiki internal error.

Original exception: [66218ad2bc961b34b09ce0b6] 2024-03-28 20:19:42: 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.