MediaWiki internal error.

Original exception: [ZgWL9aj0s-IH2q7tCtZl-QAAABA] 2024-03-28 15:25:41: 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.