MediaWiki internal error.

Original exception: [16fc6b66c8275a819a7a5755] 2024-03-28 11:01:42: 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.