/Library/Ruby/Gems/2.0.0/gems/zabbixapi-2.4.9/lib/zabbixapi/client.rb:90:in `_request': Server answer API error (ZabbixApi::ApiError)
 {
  "code": -32602,
  "message": "Invalid params.",
  "data": "Item with key \"curl[http://169.254.169.254/latest/meta-data/ami-id]\" already exists on \"zabbix-templates_aws_ec2-metadata\"."
}
 on request:
 {
  "method": "item.update",
  "params": [
    {
      "name": "ami-id",
      "description": "Captures the AMI ID from AWS and adds it to the host inventory under the "OS (Short)" tag.",
      "key_": "curl[http://169.254.169.254/latest/meta-data/ami-id]",
      "delay": 60,
      "type": 7,
      "value_type": 1,
      "history": 7,
      "trends": 365,
      "inventory_link": 7,
      "hostid": 11025,
      "applications": [
        4319
      ],
      "itemid": "243200"
    }
  ],
  "id": 80144,
  "jsonrpc": "2.0",
  "auth": "07bbd994e8b2fa057348ebca8592ee74"
}