MediaWiki internal error.

Original exception: [ZgVI7y4LgNTd6ma2Oi9@lAAAAF8] 2024-03-28 10:39:43: 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.