MediaWiki internal error.

Original exception: [9f84b399449d5215dc644404] 2024-03-28 20:58:48: 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.