Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68281",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-07ee3c3b-6e89-4f00-8e5a-422469f362ba",
      "cw-47045daf-cffd-4440-b2b0-8f71d074bb9d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-74f43a53-8a38-45bc-9fba-d651f6fbf7bd",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68281",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-47045daf-cffd-4440-b2b0-8f71d074bb9d"
  }
}