MediaWiki internal error.

Original exception: [862c8fc500d545b7c51aee3a] 2024-03-28 23:17:31: 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.