MediaWiki internal error.

Original exception: [b4a9237734f624da3436b0fc] 2024-03-28 22:19:20: 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.