Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/73606",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a7619777-ff33-46da-84fa-ce458cc34d21",
      "cw-71941c9b-3a57-4214-b98c-312e62893d77"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ef5e2f65-66cf-4c7c-85d2-720be2da7b96",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/73606",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-71941c9b-3a57-4214-b98c-312e62893d77"
  }
}