Here is the complete message:

Object not found!
The request URL was not found on this server. If you entered the URL manually please check your spelling and try again.  If you think this is a server error, please contact the webmaster
Error 404
Localhost

It is because your portal site is using client security module, but the setup.xml did not get imported in your portal site, you need to import your setup.xml file in your portal site.