Syntax error at '{'; expected '}' when using nagios in puppet

It's a big problem to me, because I'm not familiar with puppet.

ERROR on the puppetmaster:

debug: importing '/etc/puppet/manifests/nodes/group-1.pp' err: Could not parse for environment production: Syntax error at '{'; expected '}' at /etc/puppet/manifests/nodes/group-1.pp:6 

ERROR on the puppet client:

err: Could not retrieve catalog from remote server: Error 400 on SERVER: Could not parse for environment production: Syntax error at '{'; expected '}' at /etc/puppet/manifests/nodes/group-1.pp:6

in group-1.pp:

node 'group1' { include ntp class { 'nagios::host': #this is line 6 nodename => $clientcert, appname => 'test', } } 

nagios::host in module module/nagios/host.pp code are here:

class nagios::host($nodename, $hostgroup) { file { '/usr/lib/nagios/plugins': mode => "755", require => Package["nagios-plugins"], } ... @@nagios_service { "${nodename}_check_ssh": ensure => present, use => 'generic-service', host_name => "${nodename}", notification_interval => 60, flap_detection_enabled => 0, service_description => "SSH", check_command => "check_ssh", target => "/etc/nagios3/services.d/${nodename}.cfg", } } 

and the file module/nagios/init.pp is blank

How could I fix it ?