MediaWiki internal error.

Original exception: [ZgU-o00He81BWzRSX_Jh6gAAAMw] 2024-03-28 09:55:47: 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.