MediaWiki internal error.

Original exception: [7721d9dbc8ea47d33071a9de] 2024-03-28 15:50:34: 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.