MediaWiki internal error.

Original exception: [ZgbFe_x9gN-tEJuSqkrTdgAAAgI] 2024-03-29 13:43:23: 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.