MediaWiki internal error.

Original exception: [ZgV@PLDNFxPoPNP0sizEGwAA0wM] 2024-03-28 14:27:08: 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.