Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70835",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cf1f9a1a-f8ca-46e4-87d3-d5eae95a52b0",
      "cw-9a87eba6-3f0d-423f-9e29-2146877aec7d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c624fb5f-cc04-4d55-9606-d05c06e140ca",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70835",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9a87eba6-3f0d-423f-9e29-2146877aec7d"
  }
}