MediaWiki internal error.

Original exception: [Zga4QLdqNAA5G7oXUVC@fQAAACM] 2024-03-29 12:46:56: 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.