MediaWiki internal error.

Original exception: [56b9821afc32d7f9e6f0dbef] 2024-03-29 08:59:38: 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.