MediaWiki internal error.

Original exception: [8c9766a0829c1f06f575d545] 2024-03-29 12:02:21: 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.