Reading configuration data...

Error: Invalid max_check_attempts value for host 'odin'
Error: Could not register host (config file '/usr/local/etc/nagios/servers/odin.cfg', starting on line 5)

[root@mocreia /usr/local/etc/nagios]# head -10 servers/odin.cfg 
# Server Odin.
# Central Informatica de Vendas LTDA.

# host definition.
define host{
        use                     generic-host
        host_name               odin
        alias                   odin
        address                 192.168.1.134
        }

[root@mocreia /usr/local/etc/nagios]# grep max generic-service.cfg 
        max_check_attempts              4