MediaWiki internal error.

Original exception: [ZgU3DwJXv27wQkr9w0BO2gAAABs] 2024-03-28 09:23:27: 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.