MediaWiki internal error.

Original exception: [b7c9679d51e6a70c003f37c9] 2024-03-29 09:30:22: 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.