I am getting an error of err: Could not retrieve catalog from remote server: Error 400 on SERVER: Invalid parameter port at /etc/puppet/manifests/nodes/node.pp:652 on node test-puppet

My puppet class: (The Line 652 at node.pp)

node 'test-puppet'  {
  class { 'syslog_ng':
     host    => "newhost",
     ip      => "192.168.1.10",
     port    => "1999",
     logfile => "/var/log/test.log",
  }
}

On the module side

class syslog_ng::config (
  $host ,
  $ip  ,
  $port,
  $logfile){

  file {'/etc/syslog-ng/syslog-ng.conf':
    ensure  => present,
    owner   => 'root',
    group   => 'root',
    content => template('syslog-ng/syslog-ng.conf.erb'),
    notify  => Service['syslog-ng'],
    require => Class['syslog_ng::install'],
  }
  file {"/etc/syslog-ng/conf/${host}.conf":
    ensure  => present,
    owner   => 'root',
    group   => 'root',
    notify  => Service['syslog-ng'],
    content => template("syslog-ng/${host}.conf.erb"),
    require => Class['syslog_ng::install'],
  }

}

I think I am doing it as per the puppet documentation.