MediaWiki internal error.

Original exception: [ZgUr@b9QannEtLqVLeJ4uQAAAE0] 2024-03-28 08:36:09: 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.