It may be a problem with the cache used by Nine Chronicles.
%TEMP%\.net\Nine Chronicles folder.
In macOS, clearing cache is more complex than Windows because its location isn’t fixed.
Nine Chroniclesfrom Terminal.app via below commands
$ ~/Application/Nine Chronicles/Nine Chronicles.app/Contents/MacOS/Nine\ Chronicles
/private/var/folders/<dir>that occurred the error message you’ve got.
The application to execute does not exist: ‘/private/var/folders/<dir>/Nine Chronicles.dll’.
Or, you can delete all caches under
/private/var/folders/ by below command
$ sudo rm -rf /private/var/folders/*