I've installed Nagios version 3.0.6 via Yasts, installation is successful but when I tried to browsed to the sub menu under http://nagios-server/nagios
I keep getting this 'Error:Could not read object configuration data!'
I've also verify the configuration using -v command-line option, as shown below no error is found.

sles11sp2:/etc/nagios # nagios -v ./nagios.cfg

Nagios 3.0.6
Copyright (c) 1999-2008 Ethan Galstad (http://www.nagios.org)
Last Modified: 12-01-2008
License: GPL

Reading configuration data...

Running pre-flight check on configuration data...

Checking services...
Checked 8 services.
Checking hosts...
Checked 1 hosts.
Checking host groups...
Checked 1 host groups.
Checking service groups...
Checked 0 service groups.
Checking contacts...
Checked 1 contacts.
Checking contact groups...
Checked 1 contact groups.
Checking service escalations...
Checked 0 service escalations.
Checking service dependencies...
Checked 0 service dependencies.
Checking host escalations...
Checked 0 host escalations.
Checking host dependencies...
Checked 0 host dependencies.
Checking commands...
Checked 24 commands.
Checking time periods...
Checked 5 time periods.
Checking for circular paths between hosts...
Checking for circular host and service dependencies...
Checking global event handlers...
Checking obsessive compulsive processor commands...
Checking misc settings...

Total Warnings: 0
Total Errors: 0

Things look okay - No serious problems were detected during the pre-flight check

The nagios.log file below do show error

sles11sp2:/etc/nagios # tail /var/log/nagios/nagios.log
[1342287481] Error: Unable to create temp file for writing status data!
[1342287491] Error: Unable to create temp file for writing status data!
[1342287501] Error: Unable to create temp file for writing status data!
[1342287511] Error: Unable to create temp file for writing status data!
[1342287521] Error: Unable to create temp file for writing status data!
[1342287531] Error: Unable to create temp file for writing status data!
[1342287541] Error: Unable to create temp file for writing status data!
[1342287551] Error: Unable to create temp file for writing status data!
[1342287561] Error: Unable to create temp file for writing status data!
[1342287571] Error: Unable to create temp file for writing status data!