Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/11707",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fa73398d-f773-4509-b6c5-304a736f648f",
      "cw-fa12ea17-239d-4345-a2c6-1f8fa7aa4700"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-db564df3-c814-45df-ac4c-b37c42a3c63f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/11707",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-fa12ea17-239d-4345-a2c6-1f8fa7aa4700"
  }
}