Timeline.json Empty Image

timeline.json

{
  "emptyImage":  "img/overview-map.jpg",
  "items": {
    "type": "request",
    "source": "reliefweb",
    "method": "POST",
    "path": "v1/reports?limit=50&fields[include][0]=date&fields[include][1]=headline&fields[include][2]=primary_country&fields[include][3]=url",
    "payload": {
      "facets": [
        {
          "field": "date.original",
          "interval": "month"
        }
      ],
      "filter": {
        "operator": "AND",
        "conditions": [
          {
            "field": "headline.featured"
          },
          {
            "field": "date.original",
            "value": {
              "from": "2011-04-25T07:00:00+00:00"
            }
          },
          {
            "field": "country",
            "value": ["Iraq", "Syria"],
            "operator": "OR"
          },
          {
            "field": "primary_country.name",
            "value": "World",
            "negate": true
          }
        ]
      },
      "sort": [ "date.original:desc" ]
    },
    "fallback": []
  }
}