Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/72157",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d6804a44-018f-4eac-983d-1ba3c28ac0ee",
      "cw-7732ecda-5b70-401c-8cff-7a31e0141056"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-05233747-73e8-4d99-8b10-87fa430daacf",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/72157",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7732ecda-5b70-401c-8cff-7a31e0141056"
  }
}