foreman-vmware error.log

Started POST "/hosts/compute_resource_selected" for 172.30.17.2 at 2014-08-19 16:34:24 +0100
Processing by HostsController#compute_resource_selected as */*
  Parameters: {"utf8"=>"â", "authenticity_token"=>"zXYWfXT54v0hMB2NnYC9LG1vnLgs8ei4yqzMA9/xRs4=", "host"=>{"name"=>"git", "hostgroup_id"=>"", "compute_resource_id"=>"1", "environment_id"=>"1", "puppet_ca_proxy_id"=>"1", "puppet_proxy_id"=>"1", "puppetclass_ids"=>[""], "managed"=>"true", "progress_report_id"=>"[FILTERED]", "type"=>"Host::Managed", "domain_id"=>"1", "realm_id"=>"", "mac"=>"", "subnet_id"=>"1", "ip"=>"192.168.150.55", "interfaces_attributes"=>{"new_interfaces"=>{"_destroy"=>"false", "type"=>"Nic::Managed", "mac"=>"", "name"=>"", "domain_id"=>"", "ip"=>"", "provider"=>"IPMI"}}, "architecture_id"=>"1", "operatingsystem_id"=>"1", "provision_method"=>"build", "build"=>"1", "medium_id"=>"7", "ptable_id"=>"7", "disk"=>"", "root_pass"=>"[FILTERED]", "is_owned_by"=>"2-Users", "enabled"=>"1", "model_id"=>"", "comment"=>"", "overwrite"=>"false"}}
Successfully decrypted field for Foreman::Model::Vmware ACTINT-VMware
  Rendered compute_resources_vms/form/_vmware.html.erb (134.4ms)
  Rendered hosts/_compute.html.erb (343.4ms)
Operation FAILED: undefined method `stringify_keys' for #<RbVmomi::VIM:0x00000008150c18>
  Rendered common/500.html.erb (22.2ms)
Completed 500 Internal Server Error in 408ms (Views: 24.6ms | ActiveRecord: 0.0ms)