MediaWiki internal error.

Original exception: [821c73f7aa87ac51248fc371] 2024-03-28 21:17:58: 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.