MediaWiki internal error.

Original exception: [ZgbCy@NCUPLGvCY@-7SMTwAAAAQ] 2024-03-29 13:31:55: 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.