MediaWiki internal error.

Original exception: [ZgVg-uzj4FcuAE2Mx4znjQAAAAY] 2024-03-28 12:22:22: 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.