MediaWiki internal error.

Original exception: [ZgZ5OLvHSvb0T4ggM-Po0gAAACA] 2024-03-29 08:18:00: 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.