It appears as though you do not have permission to view information for any of the hosts you requested...
iam getting above error for every link at left side ,the error displaying at right side.please help me
Most likely due to you having the problem you reported in the other thread. You really need to start over and follow the nagios docs to install and configure properly.
I got it.i just uncommented in cgi.cfg file according to document for authetication and authorization