Kibana Dashboard Error -- Set fielddata=true on fieldname

Elastic Stack Kibana
3 
{
  "metricbeat-docker-2017.02.27": {
    "aliases": {},
    "mappings": {
      "_default_": {
        "_all": {
          "norms": false
        },
          "docker": {
            "properties": {
              "container": {
                "properties": {
                  "command": {
                    "type": "text",
                    "fields": {
                      "keyword": {
                        "type": "keyword",
                        "ignore_above": 256
                      }
                    }
                  },
                  "created": {
                    "type": "date"
                  },
                  "id": {
                    "type": "text",
                    "fields": {
                      "keyword": {
                        "type": "keyword",
                        "ignore_above": 256
                      }
                    }
                  },
                  "image": {
                    "type": "text",
                    "fields": {
                      "keyword": {
                        "type": "keyword",
                        "ignore_above": 256
                      }
                    }
                  },
 "settings": {
      "index": {
        "refresh_interval": "5s",
        "number_of_shards": "5",
        "provided_name": "metricbeat-2017.02.13",
        "creation_date": "1486944216468",
        "number_of_replicas": "1",
        "uuid": "-f78lFnRRe-Dbc1GB01hsA",
        "version": {
          "created": "5000099"
        }
      }
    }
  }
}