Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/25962",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-178ea0ac-6d0a-4632-852c-40c09e3acdc0",
      "cw-518b5142-ea1f-4597-9fba-bd7ea527e271"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2780bf27-72cd-4f7b-9ec3-ac05ed9ce909",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/25962",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-518b5142-ea1f-4597-9fba-bd7ea527e271"
  }
}