MediaWiki internal error.

Original exception: [ZgU3sxd0f7F8DWdCjJNDdAAAABI] 2024-03-28 09:26:11: 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.