MediaWiki internal error.

Original exception: [ZgVWd@jUVbS@Sw02culvIgAAABI] 2024-03-28 11:37:27: Fatal exception of type "Wikimedia\Rdbms\DBConnectionError"

Exception caught inside exception handler.

Set $wgShowExceptionDetails = true; at the bottom of LocalSettings.php to show detailed debugging information.