Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70868",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0d20aaa6-f062-4395-bfae-2ce3bcf42675",
      "cw-1f863192-d82d-48e1-9994-2d935eb18558"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-59f25551-c242-4a96-a114-cfe5f77c86e5",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70868",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1f863192-d82d-48e1-9994-2d935eb18558"
  }
}