Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68607",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c24f8ed4-32a8-442d-948e-ea8532de501d",
      "cw-502c735b-dc7b-4ea2-bd3c-3d56e2bf0161"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e9c8ee4a-f15d-4d33-bde3-f9cb4285959f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68607",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-502c735b-dc7b-4ea2-bd3c-3d56e2bf0161"
  }
}