Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/47285",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a4b40966-d272-415f-9dc4-3bce0d08f2e5",
      "cw-5e59b22b-a03c-4e10-93cc-051fc380185b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4d238b8e-6f78-4d85-afe7-3b8e62847da0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/47285",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5e59b22b-a03c-4e10-93cc-051fc380185b"
  }
}