MediaWiki internal error.

Original exception: [16f5c09f4d29577e9587d0d3] 2024-03-28 17:36:06: 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.