MediaWiki internal error.

Original exception: [408534be2fbc1b36cf969635] 2024-03-29 09:40:01: 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.