MediaWiki internal error.

Original exception: [b9848cd95fd59e5dd91ee0da] 2024-03-28 12:46:05: 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.