Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68181",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-62fa4d8d-bc6c-4668-bfe6-2cf971292b36",
      "cw-67d97e5d-1fe9-4655-9ee7-95373c21524f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0a35723b-278c-4397-ab68-922eb3fd5fd3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68181",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-67d97e5d-1fe9-4655-9ee7-95373c21524f"
  }
}