Remove Node Job fail

I'm trying to remove some nodes from the cluster, but every time get these error.

Have update to Controller: 1.8.0.4166, Frontend: 1.6.1.4896, License: Community Version

And the error continue to happen

•  
• [09:55:45]: No node is provided while removing a node.
• [09:55:45]: The username is 'root'.
• [09:55:45]: Cluster ID is 1.
• [09:55:45]: Using SSH credentials from cluster.

full job

{
  "command": "removenode",
  "group_id": 1,
  "group_name": "admins",
  "user_id": 1,
  "user_name": "me@me.com",
  "job_data": {
    "clusterId": "1",
    "hostname": "mysql01-slave-002",
    "port": 3307,
    "unregister_only": true
  }
}