MediaWiki internal error.

Original exception: [ZgVU@RCXtDEecL@Npq-Z5QAAAAc] 2024-03-28 11:31:05: 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.