MediaWiki internal error.

Original exception: [Zgau9-8vhQLt-Z6z_nkLnAAAABY] 2024-03-29 12:07:19: 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.