MediaWiki internal error.

Original exception: [a820e7feae584eadbd821c94] 2024-03-28 12:39:00: 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.