MediaWiki internal error.

Original exception: [8c66bda6d8b75d187020e818] 2024-03-29 02:32:01: 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.