Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/83964",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ffa7670d-7daa-4a60-a0ce-492dbb23ba66",
      "cw-2ab35935-e7a2-45f8-949a-57973653dbe2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6f01d9ba-ee09-4e7e-a0b9-97d736f6e10d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/83964",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2ab35935-e7a2-45f8-949a-57973653dbe2"
  }
}