Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3447020",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b42af6f3-e104-4a35-bbef-7c22cc140383",
      "cw-3042f52f-9faa-4bd2-a35b-cf33e8e11f68"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ea2fb01c-48d1-46ed-8d3a-95897da2b82e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3447020",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3042f52f-9faa-4bd2-a35b-cf33e8e11f68"
  }
}