MediaWiki internal error.

Original exception: [Zfl3@nFIBR2qM3xzS5dobQABSQA] 2024-03-19 11:33:14: 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.