MediaWiki internal error.

Original exception: [e7c9fca463e18b293fd71d36] 2024-03-29 09:57:00: 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.