MediaWiki internal error.

Original exception: [841fec3dc196bff95837b4f3] 2024-03-29 14:42:39: 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.