Insight Editor Issue: No Information Displayed

[DanielStormApps]

A custom query insight that has been working is no longer displaying information. No error displayed. See attached screenshot and custom query.

Insight ID: 45BB98D3-465B-49D5-B6CC-62EA1B635586

{
  "aggregations": [
    {
      "fieldName": "count",
      "name": "count",
      "type": "longSum"
    }
  ],
  "baseFilters": "thisOrganization",
  "dimension": {
    "dimension": "contentName",
    "outputName": "contentName",
    "type": "default"
  },
  "filter": {
    "field": {
      "dimension": "contentName",
      "type": "selector",
      "value": ""
    },
    "type": "not"
  },
  "granularity": "all",
  "metric": {
    "metric": "count",
    "type": "numeric"
  },
  "queryType": "topN",
  "relativeIntervals": [
    {
      "beginningDate": {
        "component": "hour",
        "offset": -1,
        "position": "beginning"
      },
      "endDate": {
        "component": "hour",
        "offset": 0,
        "position": "end"
      }
    }
  ],
  "threshold": 200
}

[DanielStormApps]

Data is now displaying again: