MediaWiki internal error.

Original exception: [ZgW9@tEPZigSR@2c7xnr6QAAAGQ] 2024-03-28 18:59:07: 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.