MediaWiki internal error.

Original exception: [ZgbRz@C5yeetcn@0d3wFTgAAAG8] 2024-03-29 14:36:05: 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.