foreman name has been taken

2016-02-29T14:55:01 [app] [I] Started POST "/hosts" for 192.168.192.69 at 2016-02-29 14:55:01 -0500
2016-02-29T14:55:01 [app] [I] Processing by HostsController#create as */*
2016-02-29T14:55:01 [app] [I]   Parameters: {"utf8"=>"✓", "authenticity_token"=>"YGIUpaLc94OGD8/Tv4IaJpfB2JWhGfgLOuRkQ43N2mo=", "host"=>{"name"=>"participatorymodeling", "hostgroup_id"=>"2", "compute_resource_id"=>"", "config_group_ids"=>[""], "puppetclass_ids"=>[""], "managed"=>"true", "progress_report_id"=>"[FILTERED]", "type"=>"Host::Managed", "interfaces_attributes"=>{"0"=>{"_destroy"=>"0", "type"=>"Nic::Managed", "mac"=>"00:15:5d:c7:04:7f", "identifier"=>"eth0", "name"=>"participatorymodeling", "domain_id"=>"2", "subnet_id"=>"3", "ip"=>"192.168.200.82", "managed"=>"1", "primary"=>"1", "provision"=>"1", "execution"=>"1", "virtual"=>"0", "tag"=>"", "attached_to"=>""}}, "architecture_id"=>"1", "operatingsystem_id"=>"2", "provision_method"=>"build", "build"=>"1", "medium_id"=>"5", "ptable_id"=>"60", "disk"=>"", "root_pass"=>"[FILTERED]", "is_owned_by"=>"2-Users", "enabled"=>"1", "model_id"=>"2", "comment"=>"", "overwrite"=>"false"}}
2016-02-29T14:55:01 [app] [I] Failed to save: Name has already been taken
2016-02-29T14:55:01 [app] [I]   Rendered hosts/_progress.html.erb (0.5ms)
2016-02-29T14:55:02 [app] [I]   Rendered config_groups/_config_group.html.erb (28.2ms)
2016-02-29T14:55:02 [app] [I]   Rendered config_groups/_config_group.html.erb (6.5ms)
2016-02-29T14:55:02 [app] [I]   Rendered config_groups/_config_group.html.erb (5.1ms)
2016-02-29T14:55:02 [app] [I]   Rendered config_groups/_config_group.html.erb (5.6ms)
2016-02-29T14:55:02 [app] [I]   Rendered config_groups/_config_group.html.erb (5.6ms)
2016-02-29T14:55:02 [app] [I]   Rendered config_groups/_config_group.html.erb (6.1ms)
2016-02-29T14:55:02 [app] [I]   Rendered config_groups/_config_group.html.erb (6.0ms)
2016-02-29T14:55:02 [app] [I]   Rendered config_groups/_config_group.html.erb (6.0ms)
2016-02-29T14:55:02 [app] [I]   Rendered config_groups/_config_group.html.erb (6.0ms)
2016-02-29T14:55:02 [app] [I]   Rendered config_groups/_config_group.html.erb (6.1ms)
2016-02-29T14:55:02 [app] [I]   Rendered config_groups/_config_groups_selection.html.erb (99.6ms)
2016-02-29T14:55:02 [app] [I]   Rendered puppetclasses/_selectedClasses.html.erb (0.0ms)
2016-02-29T14:55:02 [app] [I]   Rendered puppetclasses/_classes_in_groups.html.erb (0.0ms)
2016-02-29T14:55:02 [app] [I]   Rendered puppetclasses/_classes.html.erb (236.6ms)
2016-02-29T14:55:02 [app] [I]   Rendered puppetclasses/_class_selection.html.erb (391.7ms)
2016-02-29T14:55:02 [app] [I]   Rendered nic/_base_form.html.erb (12.1ms)
2016-02-29T14:55:02 [app] [I]   Rendered nic/_virtual_form.html.erb (1.2ms)
2016-02-29T14:55:02 [app] [I]   Rendered nic/_provider_specific_form.html.erb (0.2ms)
2016-02-29T14:55:02 [app] [I]   Rendered nic/manageds/_managed.html.erb (15.5ms)
2016-02-29T14:55:02 [app] [I]   Rendered nic/_base_form.html.erb (10.1ms)
2016-02-29T14:55:02 [app] [I]   Rendered nic/_virtual_form.html.erb (1.2ms)
2016-02-29T14:55:02 [app] [I]   Rendered nic/_provider_specific_form.html.erb (0.2ms)
2016-02-29T14:55:02 [app] [I]   Rendered nic/manageds/_managed.html.erb (13.5ms)
2016-02-29T14:55:02 [app] [I]   Rendered hosts/_interfaces.html.erb (30.9ms)
2016-02-29T14:55:02 [app] [I]   Rendered common/os_selection/_architecture.html.erb (3.8ms)
2016-02-29T14:55:02 [app] [I]   Rendered common/os_selection/_operatingsystem.html.erb (7.0ms)
2016-02-29T14:55:02 [app] [I]   Rendered hosts/_operating_system.html.erb (16.5ms)
2016-02-29T14:55:02 [app] [I]   Rendered hosts/_unattended.html.erb (16.8ms)
2016-02-29T14:55:02 [app] [I]   Rendered puppetclasses/_class_parameters.html.erb (147.0ms)
2016-02-29T14:55:02 [app] [I]   Rendered puppetclasses/_classes_parameters.html.erb (360.8ms)
2016-02-29T14:55:02 [app] [I]   Rendered common_parameters/_puppetclass_parameter.html.erb (2.8ms)
2016-02-29T14:55:02 [app] [I]   Rendered common_parameters/_puppetclasses_parameters.html.erb (4.2ms)
2016-02-29T14:55:02 [app] [I]   Rendered common_parameters/_inherited_parameters.html.erb (2.1ms)
2016-02-29T14:55:02 [app] [I]   Rendered common_parameters/_parameter.html.erb (1.6ms)
2016-02-29T14:55:02 [app] [I]   Rendered common_parameters/_parameters.html.erb (3.8ms)
2016-02-29T14:55:02 [app] [I]   Rendered hosts/_form.html.erb (855.8ms)
2016-02-29T14:55:02 [app] [I]   Rendered hosts/new.html.erb within layouts/application (856.6ms)
2016-02-29T14:55:02 [app] [I]   Rendered home/_user_dropdown.html.erb (1.5ms)
2016-02-29T14:55:02 [app] [I] Read fragment views/tabs_and_title_records-2 0.1ms
2016-02-29T14:55:02 [app] [I]   Rendered home/_topbar.html.erb (2.6ms)
2016-02-29T14:55:02 [app] [I]   Rendered layouts/base.html.erb (4.2ms)
2016-02-29T14:55:02 [app] [I] Completed 200 OK in 1277.3ms (Views: 801.2ms | ActiveRecord: 84.9ms)
2016-02-29T14:55:03 [app] [I] Started GET "/tasks/67a3cef4-abf3-4e98-999d-cd94edd082a9" for 192.168.192.69 at 2016-02-29 14:55:03 -0500
2016-02-29T14:55:03 [app] [I] Processing by TasksController#show as */*
2016-02-29T14:55:03 [app] [I]   Parameters: {"id"=>"67a3cef4-abf3-4e98-999d-cd94edd082a9"}
2016-02-29T14:55:03 [app] [I]   Rendered tasks/_list.html.erb (0.2ms)
2016-02-29T14:55:03 [app] [I] Completed 200 OK in 4.0ms (Views: 0.7ms | ActiveRecord: 0.6ms)