MediaWiki internal error.

Original exception: [ZgU4IKvGAk@z7oHT8ytf5wAAAAU] 2024-03-28 09:28:00: 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.