MediaWiki internal error.

Original exception: [81b4c822556176f6ab2b2fef] 2024-03-29 00:05:18: 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.