Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/15963426",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f31be0fa-1069-460f-90d8-982bb5cb3da4",
      "cw-676fae61-77e1-45ca-b0df-c538093d3e4d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1e4ee491-3e93-47db-9a8f-089b731b9bab",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/15963426",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-676fae61-77e1-45ca-b0df-c538093d3e4d"
  }
}