MediaWiki internal error.

Original exception: [e121e86b79e7a46d7e59eba2] 2024-03-29 11:39:33: 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.