Browsing to permalink prefix results in 404

if you’re trying to make the news serve as a homepage you should use the Site address (URL) in the WordPress general setting options.

and of course you’ll getting an 404 error page since the news/ in your permalink serve as a directory which is refer to your server directory that not connected with the WordPress itself. try to create a news directory in your public_html and add some index page to see what happen.

error code: 523