MediaWiki internal error.

Original exception: [f9f91fe6c792779f20cf7503] 2024-03-29 12:12:18: 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.