MediaWiki internal error.

Original exception: [ZgWjmN7Vrj6k1j6vNVpu0QAAACE] 2024-03-28 17:06:36: 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.