MediaWiki internal error.

Original exception: [f9a971625d6f02ef20de13d2] 2024-03-28 14:56:29: 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.