MediaWiki internal error.

Original exception: [7b9ffd85d3ed92f4c477a2d5] 2024-03-29 08:20:44: Fatal exception of type "Wikimedia\Rdbms\DBQueryError"

Exception caught inside exception handler.

Set $wgShowExceptionDetails = true; and $wgShowDBErrorBacktrace = true; at the bottom of LocalSettings.php to show detailed debugging information.