Puppet users - Mar 2014 - Failed to realize virtual resources

i've moduiles/virtualuser/manifests/init.pp

class virtualuser ( $allusers = hiera('users'))
{
  include virtualuser::virtual
  $allusers.each |$key,$value|
  {
    #not showing code to extract all variables from hiera
  
    if $virtual == true {
        @virtualuser::virtual::localuser { $key:
          key        => $key,
          value      => $value,
          gid        => $gid,
          uid        => $uid,
          homedir    => $homedir,
          expire     => $expire,
          ensure     => $ensure,
          shell      => $shell,
          groups     => $groups,
          password   => $password,
          managehome => $managehome,
          system     => $system,
          managekeys => $managekeys
        }
    }
}

same dir i've puppet class virtual.pp

class virtualuser::virtual
{
  define localuser 
($key,$value,$gid,$uid,$homedir,$expire,$ensure,$shell,$groups,$password,$managehome,$system,$managekeys)
  {
    #create or remove virtual user
    group { $key:
     ensure => $ensure,
     tag    => 'allgroups',
     gid    => $gid,
    }

    user { $key:
      ensure     => $ensure,
      shell      => $shell,
      uid        => $uid,
      allowdupe  => false,
      expiry     => $expire,
      gid        => $gid,
      groups     => $groups,
      password   => $password,
      managehome => $managehome,
      home       => $homedir,
      tag        => 'allusers',
    }

    file { "$homedir":
        ensure => directory,
        mode   => 700,
        owner  => $key,
        group  => $key
      }

      file { "$homedir/.ssh":
        ensure => directory,
        mode   => 700,
        owner  => $key,
        group  => $key,
        tag    => 'sshdir',
      }

in another puppet class,  i try to realize a user

   realize (Virtualuser::Virtual::Localuser['virtualuser'])


and Error: Could not retrieve catalog from remote server: Error 400 on 
SERVER: Failed to realize virtual resources 
Virtualuser::Virtual::Localuser[virtualuser] on node n1.xx

Please help!  Its been 4 days I'm struggling to get this working.

SL

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