Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/50194",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2bdc5682-228d-46a7-ba71-5942b4037540",
      "cw-8c0c4854-568d-40de-ae41-f3299def3a6d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-27081d66-6812-4068-8819-7a264b8939a9",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/50194",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8c0c4854-568d-40de-ae41-f3299def3a6d"
  }
}