MediaWiki internal error.

Original exception: [ZgajJdx-TysfCZS5n1U_pgAAABU] 2024-03-29 11:16:53: 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.