Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/14212",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-74a05987-0d18-48c6-b466-a87d2c7873a1",
      "cw-1ae40c15-3d88-4f5a-958f-6e048a28f116"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7faa62e0-aaf3-4ab7-8a0d-3d2dcb76b428",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/14212",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1ae40c15-3d88-4f5a-958f-6e048a28f116"
  }
}