MediaWiki internal error.

Original exception: [9d816ed2a78978d97c01f500] 2024-03-28 13:06:02: 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.